Gardening Terms
Provided is a long list of gardening terms to enhance your knowledge of the meaning and pronunciation of the word. Google may have redirected you to this page because the original page didn’t support their mobile format requirements. We have the meaning of the word, but you have to click on it via the alpha index on top of the page.
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A B C D E F G H I J K L M N O P Q R S T U V W X Y Zraceme
A simple inflorescence of pediceled flowers upon a common more or less elongated axis.
Meaning: With flowers in racemes
Latin Pronunciation: ray-see-mih-FLOR-uh
Latin Pronunciation: ras-em-if-f/oh-rus
Meaning: with flowers borne in racemes (types of elongated flower clusters).
Meaning: Having racemes (a type of flower cluster)
Latin Pronunciation: ray-see-MO-suh
racemiform
Refers to an inflorescence with the outward appearance of a raceme.
racemose
Resembling a raceme.
Meaning: With flowers in racemes
Latin Pronunciation: ray-see-mih-FLOR-um
Meaning: Having racemes (a type of flower cluster)
Latin Pronunciation: ray-see-MO-sum
rachilla
The axis of a spikelet, particularly in grasses.
Latin Pronunciation: ras - em - moh - sus
Meaning: with flowers in a type of elongated cluster (racemose) as compared to panicles, spikes, umbels, etc.
rachis
1. The main stalk of a flower cluster or the main leafstalk of a compound leaf. 2. In ferns, the continuation of the stipe through a compound frond.
Meaning: Named for Racine Foster, wife of American horticulturist Mulford Bateman Foster
Latin Pronunciation: ray-SEEN-ay-uh
Alternative Self-Pronouncing:ra-SEEN-ay-uh
Meaning: Named for Gustav Ferdinand Richard Radde, 19th century German naturalist who explored the Caucasus and Amur region
Latin Pronunciation: rad-dee-AN-uh
Meaning: Named for Racine Foster, wife of American horticulturist Mulford Bateman Foster
Latin Pronunciation: ray-SEEN-ay-ee
Meaning: Named for Gustav Ferdinand Richard Radde, 19th century German naturalist who explored the Caucasus and Amur region
Latin Pronunciation: rad-dee-AN-um
Meaning: Named for Gustav Ferdinand Richard Radde, 19th century German naturalist who explored the Caucasus and Amur region
Latin Pronunciation: rad-dee-AN-us
Meaning: Named for Gustav Ferdinand Richard Radde, 19th century German naturalist who explored the Caucasus and Amur region
Latin Pronunciation: RAD-dee-eye
Meaning: Named for Giusepe Raddi, 19th century Italian botanist who collected plants in Brazil and Egypt
Latin Pronunciation: rad-dee-AH-nuh
Alternative Self-Pronouncing:rad-dee-AY-nuh
Meaning: Named for Giusepe Raddi, 19th century Italian botanist who collected plants in Brazil and Egypt
Latin Pronunciation: rad-dee-AH-num
Alternative Self-Pronouncing:rad-dee-AY-num
Meaning: Named for Jacob Cornelis Matthias Radermacher, 18th century Dutch amateur botanist
Latin Pronunciation: rad-er-MOK-er-uh
Meaning: Named for Giusepe Raddi, 19th century Italian botanist who collected plants in Brazil and Egypt
Latin Pronunciation: rad-dee-AH-nus
Alternative Self-Pronouncing:rad-dee-AY-nus
Meaning: Named for Giusepe Raddi, 19th century Italian botanist who collected plants in Brazil and Egypt
Latin Pronunciation: RAD-dee-eye
radial
In flowers, one with the symmetry of a symmetry wheel.
Meaning: Radiating outward
Latin Pronunciation: RAD-ee-anz
Meaning: Spreading rays
Latin Pronunciation: rad-ee-AY-tuh
Latin Pronunciation: ray-dee-ay-tus
Meaning: with petals in rays, radiate (as with Daisies).
Meaning: Spreading rays
Latin Pronunciation: rad-ee-AY-tum
Meaning: Of or from a root (from the Latin radix, meaning root)
Latin Pronunciation: rad-ih-KAY-lee
Meaning: Of or from a root (from the Latin radix, meaning root)
Latin Pronunciation: rad-ih-KAY-lis
radical
Belonging to or proceeding from the root or base of the stem near the ground.
Latin Pronunciation: rad-ik-anz
Meaning: rooting (along stem).
Meaning: Rooted
Latin Pronunciation: rad-ee-KAY-tum
Alternative Self-Pronouncing:rad-ee-KAT-um
radiate
Spreading from or arranged around a common center; bearing ray flowers.
radicle
The portion of the embryo below the cotyledons that will form the roots, more properly called the caudicle.
Latin Pronunciation: rad - ik - kay - tus
Meaning: rooted (strongly).
radicles (alt. rhizoid)
Rootlets springing from the sides and base of the stem.
Meaning: Rooted
Latin Pronunciation: rad-ee-KAY-tuh
Alternative Self-Pronouncing:rad-ee-KAT-uh
Latin Pronunciation: rad - ik - koh - sus
Meaning: many rooted.
Meaning: Having many rays
Latin Pronunciation: ray-dee-OH-suh
radius (pl. radii)
1. The outermost flowers in a daisy-like head, Compositae; ray flowers as opposed to disc flowers. 2. The distance from the center of a circle to the outer edge, as from the heart of a tree to the bark.
Latin Pronunciation: rad-ik-um
Meaning: referring to roots.
Latin Pronunciation: ray-dee-oh-sus
Meaning: with many rays.
Meaning: Like a scraper
Latin Pronunciation: RAD-yoo-luh
Meaning: Having many rays
Latin Pronunciation: ray-dee-OH-sum
Meaning: Named for Ludwig Radlkofer, early 20th century Professor of Botany and Director of the Botanical Museum in Munich
Latin Pronunciation: rad-el-KO-fer-ee
raffia (alt. raphia)
A fiber-like material used for tying grafts and other horticultural purposes.
Meaning: Named for Sir Thomas Stamford Bingley Raffles, 19th century zoologist and founder of the British colony at Singapore
Latin Pronunciation: raf-FELZ-ee-uh
Meaning: Named for Sir Thomas Stamford Bingley Raffles, 19th century zoologist and founder of the British colony at Singapore
Latin Pronunciation: raf-felz-ee-AH-na
Meaning: Named for Constantine Samuel Rafinesque-Schmaltz, 19th century botanist and naturalist
Latin Pronunciation: raf-in-ess-kwi-AN-um
raised beach
An old beach terrace at an elevation above the present shoreline, representing a formerly higher lake level.
raised bed (syn. raised garden)
A bed or garden created by adding soil on top of that which is already present. This is usually done in cases where the underlying soil is particularly poor in nutrients or has inadequate drainage. Wooden or stone walls are often used to keep the added soil in place.
Meaning: Of or from Dubrovnik, Ragusa (renamed the Republica Ragusina in the 14th century) on the Mediterranean coast
Latin Pronunciation: rag-oo-SEE-nuh
ramble
To grow freely, often over another plant or structure.
rameal
Belonging to a branch.
ramentaceous
Refers to stems or leaves which have small, loose, brownish scales.
Latin Pronunciation: ram-en-tay-see-us
Meaning: with a hairy covering.
ramification
Branching.
ramet
1. An individual member of a clone. 2. An underground tree system giving rise to large suckering colonies, like big- tooth aspen trees,Populus grandentata.
Latin Pronunciation: ram - if - floh - rus
Meaning: with branching inflorescence (flowering
Meaning: Flowers borne on older stems
Latin Pronunciation: ram-ee-FLOR-uh
Meaning: Flowers borne on older stems
Latin Pronunciation: ram-ee-FLOR-us
ramiflorous
Bearing flowers directly from large branches and leafless twigs, but not on the trunk.
Latin Pronunciation: Ray-mond-uh.
Meaning: Flowers borne on older stems
Latin Pronunciation: ram-ee-FLOR-um
Meaning: Of or from San Ramon, Costa Rica
Latin Pronunciation: ra-mon-EN-see
ramose
Having many branches.
ramiform
With branches; branch-like.
Meaning: Of or from San Ramon, Costa Rica
Latin Pronunciation: ra-mon-EN-sis
Meaning: Branched
Latin Pronunciation: ram-OH-suh
Meaning: More branched
Latin Pronunciation: ram-OH-see-or
Latin Pronunciation: ram-oh-siss-im-us
Meaning: much branched.
Meaning: Many branched
Latin Pronunciation: ram-oh-SIS-ee-muh
Meaning: Many branched
Latin Pronunciation: ram-oh-SIS-ee-mum
Meaning: More branched
Latin Pronunciation: ram-OH-see-us
ramuli
Minute branchlets.
Latin Pronunciation: ram-moh-sus
Meaning: branched.
Meaning: From the Latin ramulus (many small, veining branches or twigs)
Latin Pronunciation: ram-yoo-LOH-suh
Meaning: Branched
Latin Pronunciation: ram-OH-sum
Meaning: From the Latin ramulus (many small, veining branches or twigs)
Latin Pronunciation: ram-yoo-LOH-sum
rank
1. A vertical row, as of leaves. When you sight along the length of a branch from the tip end, if it appears there are two rows of leaves, either opposite or alternate, the branch is 2-ranked; if three rows, it is 3-ranked, etc. 2. In taxonomy, the position of a taxon in the hierarchy, e.g., species, genus, family, etc.
Meaning: Named for Isaac Rand, 18th century London apothecary and director of the Chelsea Physic Garden
Latin Pronunciation: RAND-ee-uh
ranch (alt. ranche, rancho)
1. In the united States and Canada, a farm that raises livestock, fruits, and vegetables for use of the family, or crops for feeding animals; sometimes used as a secondary income, e.g., a cattle ranch. 2. The buildings occupied or the persons on the estate (ranchers).
Meaning: An anagram of Aerangis, genus name of related orchid
Latin Pronunciation: ran-GEE-riss
Meaning: Named for M. Victor Rantonnet, 19th century French horticulturist in Hy?res, who reported on this plant for culinary purposes in Revue Horticole
Latin Pronunciation: ran-toh-NET-ee-eye
Alternative Self-Pronouncing:ran-toh-NAY-ee-eye
Meaning: The Ranunculus (buttercup) family
Latin Pronunciation: ra-nun-kew-LAY-see-ay
Meaning: Like Ranunculus (genus name meaning little frog)
Latin Pronunciation: ran-un-kew-LAY-see-a
Meaning: From the Latin ramulus (many small, veining branches or twigs)
Latin Pronunciation: ram-yoo-LOH-sus
range of variation
The extremes of possibilities which may occur within a species and still remain a member of that species, including such things as leaf shape, leaf margins, flower color, height, etc.
Meaning: Resembling Ranunculus (genus name meaning little frog)
Latin Pronunciation: ran-nun-kew-LEE-nuh
Meaning: Resembling Ranunculus (genus name meaning little frog)
Latin Pronunciation: ran-nun-kew-LEE-num
Meaning: Resembles Ranunculus
Latin Pronunciation: ra-nun-kul-OY-deez
Latin Pronunciation: Rah-ool-ee-uh.
Meaning: Resembling Ranunculus (genus name meaning little frog)
Latin Pronunciation: ran-nun-kew-LEE-nus
Latin Pronunciation: Ran-nun-kew-lus
Common Name: Buttercup.
Latin Pronunciation: rap-pay-see-us
Meaning: Turnip-like.
Meaning: Like a turnip
Latin Pronunciation: rap-uh-SEE-uh
Alternative Self-Pronouncing:rap-uh-KEE-uh
Meaning: Like a turnip
Latin Pronunciation: rap-uh-SEE-um
Alternative Self-Pronouncing:rap-uh-KEE-um
Meaning: Latinized from the French Guiana vernacular name for this tree
Latin Pronunciation: ra-PAN-ee-uh
Meaning: From the Greek raphanis, ancient name for this vegetable, (meaning appears quickly)
Latin Pronunciation: raf-an-IS-trum
Meaning: Turnip
Latin Pronunciation: RAP-uh
Meaning: From the Greek raphia (needle), referring to the sharp fruit
Latin Pronunciation: RAF-ee-uh
Latin Pronunciation: Raff-an-us
Common Name: Radish.
raphe
The part of the funiculus that is fused along the side of the ovule.
Latin Pronunciation: Raf-ee-ol-ep-iss.
Meaning: Variant spelling of Rhaphidophora, which is from the Greek rhaphis (needle) and phoros (carrying), referring to the needle-like points on the fruit
Latin Pronunciation: ra-fid-OH-for-a
Latin Pronunciation: rap-unk-yew-loy-deez
Meaning: with bell-like flowers.
raphides
Needle-like crystals of calcium oxalate that occur in bundles in some plant cells.
Meaning: From the Greek rhaphis (beet-root) and akme (sharpness); possibly referring to the taste of the roots
Latin Pronunciation: raf-ee-on-AK-mee
Meaning: Little turnip
Latin Pronunciation: ra-PUN-kyoo-lus
ratchet tool
One which uses mechanical means to multiply cutting or turning power, reducing cramping of hands and forearms.
Meaning: Scattered flowers
Latin Pronunciation: rar-ee-FLOR-uh
Meaning: Scattered flowers
Latin Pronunciation: rar-ee-FLOR-um
Latin Pronunciation: rayr-if-floh-rus
Meaning: loose- or scanty-flowered.
Meaning: Named after Werner Rauh, 20th century German professor of Botany at the University of Heidelberg, and plant collector
Latin Pronunciation: RAU-ee-eye
Latin Pronunciation: raw-kus
Meaning: raw (looking).
Meaning: Discovered by Walter Rausch, 20th century cactus collector in South America
Latin Pronunciation: ROWSH-ee-eye
Meaning: Named by Constantine Rafinesque-Schmaltz, a wandering botanist who often gave plants names with unexplained meanings; this is one of them
Latin Pronunciation: ruh-TIB-ih-duh
Latin Pronunciation: rayr-us
Meaning: uncommon.
Latin Pronunciation: Rav-en-nay-luh
Common Name: Travelers- tree.
Meaning: Derived from the vernacular name in Madagascar, its native habitat
Latin Pronunciation: ra-VEN-ee-uh
ravine
A depression worn by running water, larger than a gully and smaller than a valley.
ray floret
One of the broad, conspicuously colored florets of a compound flower, the structure of which suggests a single petal of an ordinary flower. These form the radiating border in the open-centered type dahlias, or massed together, the flower head in fully double types. See also: disc floret.
Meaning: Of Ravenna
Latin Pronunciation: ra-VEN-ay-ee
ray flower
The bilaterally symmetrical flowers around the edge of the head in many members of Compositae; each ray flower resembles a single petal.
rays
Radial strands of cells in wood and phloem.
ray
The branch of an umbel; the marginal flowers of an inflorescence when distinct from the disk.
Meaning: Named for Dr Rebaudi, 19th century Paraguayan chemist who extracted the sweet constituents from the plant
Latin Pronunciation: re-bawd-ee-AH-nuh
recalcitrant seed
Seed that does not survive drying and freezing.
Meaning: Named for Dr Rebaudi, 19th century Paraguayan chemist who extracted the sweet constituents from the plant
Latin Pronunciation: re-bawd-ee-AH-num
Meaning: Of or from Ana Rech, Caxias do Sul district in South America
Latin Pronunciation: rech-EN-sis
Latin Pronunciation: Reb-bew-tee-uh.
receptacular
Carried on the receptacle; pertaining to the receptacle.
receptacle
1. The more or less expanded or produced portion of an axis which bears the organs of a flower (the torus) or the collected flowers of a head, and in roses, enfolds the developing ovaries to form a hip. 2. Any similar structure in cryptogams.
recession
A drop in the water line of a body of water, with a corresponding exposure of the bottom.
Meaning: Reclined, leaning
Latin Pronunciation: rek-lin-AY-tuh
Latin Pronunciation: rek-lin-nay-tus
Meaning: bent backward.
Meaning: From the Latin, meaning to recognize or recollect
Latin Pronunciation: re-kog-NEE-ta
Meaning: Reclined, leaning
Latin Pronunciation: rek-lin-AY-tum
Meaning: From the Latin, meaning to recognize or recollect
Latin Pronunciation: re-kog-NEE-tum
Meaning: From the Latin recondere, meaning hidden, concealed, or stored away
Latin Pronunciation: rek-on--DY-tuh
Alternative Self-Pronouncing:rek-on--DEE-tuh
reclining
The lower portion somewhat flattened along the ground but the upper parts curving upward.
Meaning: From the Latin recondere, meaning hidden, concealed, or stored away
Latin Pronunciation: rek-on--DY-tus
Alternative Self-Pronouncing:rek-on--DEE-tus
Meaning: Erect
Latin Pronunciation: REK-tuh
Meaning: From the Latin recondere, meaning hidden, concealed, or stored away
Latin Pronunciation: rek-on--DY-tum
Alternative Self-Pronouncing:rek-on--DEE-tum
reclinate
Bent or turned downward.
Meaning: Having erect leaves
Latin Pronunciation: rek-tih-FOH-lee-uh
Meaning: Having erect leaves
Latin Pronunciation: rek-tih-FOH-lee-um
Meaning: From the Latin, meaning to recognize or recollect
Latin Pronunciation: re-kog-NEE-tus
Meaning: Erect
Latin Pronunciation: REK-tum
Latin Pronunciation: rek-tus
Meaning: straight, upright.
Meaning: Curved back
Latin Pronunciation: re-KUR-vuh
Meaning: Bent backwards
Latin Pronunciation: rek-er-VAY-tuh
Meaning: Having erect leaves
Latin Pronunciation: rek-tih-FOH-lee-us
Meaning: Bent backwards
Latin Pronunciation: rek-er-VAY-tum
Latin Pronunciation: rek-kur-vay-tus
Meaning: curved back (recurved).
recurved
Curved downward or backward; with ray florets curved backward along their length toward the stem.
Latin Pronunciation: rek-kur-vif-foh-lee-us
Meaning: backcurving leaves.
Meaning: Curved back
Latin Pronunciation: re-KUR-vum
Latin Pronunciation: rek-kurv-us
Meaning: curved back.
Meaning: Rebound, bounce back
Latin Pronunciation: re-KOO-tee-ta
Latin Pronunciation: red-iv-vye-vus
Meaning: literally, restored to life.
Meaning: Fragrant
Latin Pronunciation: RED-oh-lens
Alternative Self-Pronouncing:re-DOL-ens
Meaning: Brought back to life
Latin Pronunciation: re-div-EE-vuh
Meaning: Brought back to life
Latin Pronunciation: re-div-EE-vum
Meaning: Named for Redd, but not sure who
Latin Pronunciation: RED-ee-eye
Meaning: Dwarf is it's botanical meaning, literally - reduce or drawn back
Latin Pronunciation: red-uk-tum
Latin Pronunciation: red-dew-plik-kay-tus
Meaning: re
reeds
Tall thin wetland plants of the generaPhragmites andSparganium; a term often incorrectly applied to bulrushes.
Meaning: Named for John Reeves, 19th century tea inspector at Macao and Canton; he was instrumental in introducing many Chinese plants to British gardens
Latin Pronunciation: reeves-ee-AY-nuh
Meaning: Named for John Reeves, 19th century tea inspector at Macao and Canton; he was instrumental in introducing many Chinese plants to British gardens
Latin Pronunciation: reeves-ee-AY-num
Meaning: Dwarf is it's botanical meaning, literally means reduce or drawn back
Latin Pronunciation: red-uk-tuss
reel mower
A grass- cutting tool on which helical blades spin against a flat surface, generally hand powered but may be mechanized for a more precise cut than rotary mowers.
Meaning: Dwarf is it's botanical meaning, literally means reduce or drawn back
Latin Pronunciation: Red-uk-ta
reference
A citation to a source of information, such as a written document.
Meaning: Named for John Reeves, 19th century tea inspector at Macao and Canton; he was instrumental in introducing many Chinese plants to British gardens
Latin Pronunciation: reeves-ee-AY-nus
Meaning: Bent backwards
Latin Pronunciation: ree-FLEKS-uh
Meaning: Bent backwards
Latin Pronunciation: ree-FLEKS-us
Latin Pronunciation: ref-flex-us
Meaning: bent back (reflex).
Meaning: Broken
Latin Pronunciation: ray-FRAK-tum
reflexed
Abruptly bent or turned downward.
Meaning: Bent backwards
Latin Pronunciation: ree-FLEKS-um
Meaning: Broken
Latin Pronunciation: ray-FRAK-tuh
Latin Pronunciation: ref-frak-tus
Meaning: broken.
Latin Pronunciation: ref - fulj - enz
Meaning: shining brightly.
refrigerants
Herbal preparations which cool the body.
Meaning: Variant spelling of refugioensis, meaning of or from Refugio, in southeastern Texas; the name means refuge
Latin Pronunciation: ref-yooj-ee-EN-sis
Meaning: Named for Eduard August von Regel, 19th century German botanist and superintendent of the botanic garden at St. Petersburg, Russia
Latin Pronunciation: reg-EL-ee-uh
Alternative Self-Pronouncing:re-JEE-lee-uh
Meaning: Regal; outstanding merit
Latin Pronunciation: re-GAY-lee
Alternative Self-Pronouncing:re-GAY-lay
Meaning: Of or from Refugio, in southeastern Texas; the name means refuge
Latin Pronunciation: ref-yooj-ee-oh-EN-sis
Latin Pronunciation: reg-gay-liss
Meaning: majestic, regal.
Meaning: Named for Eduard August von Regel, 19th century German botanist and superintendent of the botanic garden at St. Petersburg, Russia
Latin Pronunciation: reg-el-ee-AH-num
Alternative Self-Pronouncing:ree-jee-lee-AH-num
Meaning: Named for Eduard August von Regel, 19th century German botanist and superintendent of the botanic garden at St. Petersburg, Russia
Latin Pronunciation: reg-el-ee-AH-na
Alternative Self-Pronouncing:ree-jee-lee-AH-na
Meaning: Named for Eduard August von Regel, 19th century German botanist and superintendent of the botanic garden at St. Petersburg, Russia
Latin Pronunciation: reg-el-ee-AH-num
Alternative Self-Pronouncing:ree-jee-lee-AH-nus
Meaning: Queenly
Latin Pronunciation: ree-JIN-nee-uh
Meaning: Named for Queen Olga of Greece, 19th century monarch and grandmother to Prince Philip
Latin Pronunciation: ree-JIN-ay OL-ga
Latin Pronunciation: ree-jin-nus
Meaning: kingly (royal), regal.
Meaning: Royal
Latin Pronunciation: REE-jee-uh
Meaning: Queenly
Latin Pronunciation: ree-JIN-nee-ee
Latin Pronunciation: rej-jye-nee
Meaning: referring to a queen (royal).
Meaning: Named for Regnell, but not sure who
Latin Pronunciation: reg-NEL-ee-eye
Meaning: Royal
Latin Pronunciation: REE-jee-us
regular
Uniform in shape or structure.
rehabilitation
The process of improving specific ecosystem factors in a degraded habitat.
Meaning: Royal
Latin Pronunciation: REE-jee-um
Meaning: Named for Alfred Rehder, 20th century German-born American dendrologist and author working at the Arnold Arboretum in Massachusettes (U.S.) until his retirement
Latin Pronunciation: re-der-ee-AH-na
Meaning: Named for Alfred Rehder, 20th century German-born American dendrologist and author working at the Arnold Arboretum in Massachusettes (U.S.) until his retirement
Latin Pronunciation: re-der-ee-AH-num
Meaning: Named for Joseph Rehmann, 19th century Russian physician
Latin Pronunciation: re-MAN-ee
Meaning: Named for Alfred Rehder, 20th century German dendrologist and author working at the Arnold Arboretum in Massachusettes (U.S.) until his retirement
Latin Pronunciation: REH-der-eye
Meaning: Named for Alfred Rehder, 20th century German-born American dendrologist and author working at the Arnold Arboretum in Massachusettes (U.S.) until his retirement
Latin Pronunciation: re-der-ee-AH-nus
Latin Pronunciation: Ray-man-nee-uh.
regular flower
Generally symmetrical and uniform in the number of its parts.
Meaning: Named for Joseph Rehmann, 19th century Russian physician
Latin Pronunciation: re-MAN-ee-eye
Meaning: Named for Heinrich Gottlieb Ludwig Reichenbach, 19th century German botanist, ornithologist, author and botanical artist
Latin Pronunciation: ry-ken-BAHK-ee-eye
Meaning: Named for Heinrich Gustav Reichenbach, 19th century Orchid specialist
Latin Pronunciation: rike-en-bak-ee-AH-na
Meaning: Named for Johann Jakob Reichard, 18th century German
Latin Pronunciation: ri-KAR-dee-eye
Meaning: Named for Eduard Martin Reineck, 20th century Australian plant collector
Latin Pronunciation: ry-NEK-ee-a
Meaning: Named for Caspar Reinwardt, 19th century Dutch naturalist and biologist
Latin Pronunciation: rine-WARD-tee-eye
Alternative Self-Pronouncing:rain-WARD-tee-eye
Latin Pronunciation: Ryn-wahrt-ee-uh.
rejuvenation pruning
The practice of cutting all the main stems of a shrub back to within half-inch of the ground during winter dormancy.
relict (alt. relic)
A species or other group within a community that is representative of an earlier stage of development or of a different set of conditions.
Meaning: Named for FW Reitz, 19th century president in South Africa
Latin Pronunciation: RITZ-ee-eye
relict (alt. relic)
A species or other group within a community that is representative of an earlier stage of development or of a different set of conditions.
relief
The difference in elevation between the highest point and the lowest point of land in a specified region.
Latin Pronunciation: rel-lij-ee-oh-sus
Meaning: venerable; also referring to religious uses, sacred.
Meaning: Remote - as in remote places, scattered
Latin Pronunciation: ree-MOH-tuh
Meaning: Sacred
Latin Pronunciation: re-lij-ee-OH-sum
reliction
The exposure of a lake's bottom by natural recession. Relicted shores rarely contain vegetation.
Meaning: Flowers apart from each other, presumably on stems
Latin Pronunciation: re-mo-tee-FLOR-uh
remontant
Able to rebloom one or more times during a single growing season.
remote
Distant, at the farthest end.
Meaning: Flowers apart from each other, presumably on stems
Latin Pronunciation: re-mo-tee-FLOR-us
Meaning: Flowers apart from each other, presumably on stems
Latin Pronunciation: re-mo-tee-FLOR-um
Meaning: Sacred
Latin Pronunciation: re-lij-ee-OH-suh
Latin Pronunciation: rem-moh-tus
Meaning: with widely separated parts.
Meaning: Remote foliage (referring to the leaves' distance from one another)
Latin Pronunciation: ree-moh-tih-FOH-lee-um
Meaning: Remote foliage (referring to the leaves' distance from one another)
Latin Pronunciation: ree-moh-tih-FOH-lee-a
Meaning: Named for Charles Claude Renard
Latin Pronunciation: ren-AR-dee-eye
Meaning: Aboriginal name for Palm
Latin Pronunciation: REN-duh
Meaning: Remote - as in remote places, scattered
Latin Pronunciation: ree-MOH-tum
Latin Pronunciation: Ren-nanth-er-uh.
Meaning: Named for Jean Pierre Abel-Remusat, an 18th century French Chinese scholar and botanist
Latin Pronunciation: rem-yoo-SAT-ee-uh
Meaning: Kidney-leaved
Latin Pronunciation: ren-ee-FOH-lee-uh
Meaning: Remote foliage (referring to the leaves' distance from one another)
Latin Pronunciation: ree-moh-tih-FOH-lee-us
Meaning: Kidney-leaved
Latin Pronunciation: ren-ee-FOH-lee-um
renewal pruning
The practice of cutting all the main stems of a shrub back to within half-inch of the ground during winter dormancy.
Meaning: Kidney-leaved
Latin Pronunciation: ren-ee-FOH-lee-us
Meaning: Kidney shaped
Latin Pronunciation: ren-ih-FOR-me
reniform
Kidney-shaped.
Latin Pronunciation: ren-if-form-iss
Meaning: kidney- shaped (reniform).
Meaning: Has wavy edges, wavy leaf margins
Latin Pronunciation: REP-an-duh
Meaning: Has wavy edges, wavy leaf margins
Latin Pronunciation: REP-an-dum
Latin Pronunciation: rep-pan-denz
Meaning: wavy-margined.
repand
With a slightly uneven and somewhat sinuate margin.
Latin Pronunciation: ree-penz
Meaning: creeping.
Meaning: Has wavy edges, wavy leaf margins
Latin Pronunciation: REP-an-dus
repellent
A substance used to keep insects or animals from an area.
Meaning: Turned or folded back on itself
Latin Pronunciation: rep-lee-KAY-ta
replicates
Duplicate specimens.
repent (alt. repen, syn. reptant)
Creeping; prostrate and rooting at the nodes.
Meaning: Creeping; also spelled reptans
Latin Pronunciation: REP-tenz
Meaning: Turned or folded back on itself
Latin Pronunciation: rep-lee-KAY-tum
replum
The hardened framework of the placenta which remains when the outer walls or valves of a silique fall away; the septum which holds the seeds.
Latin Pronunciation: repp-tanz
Meaning: creeping.
biotic potential (syn. reproductive potential, syn. breeding potential)
The natural capacity of an organism to survive and reproduce, which is slowed or controlled by environmental resistance.
Meaning: Named for Esprit Requien, 19th century French botanist
Latin Pronunciation: re-kwee-EN-ee-eye
Latin Pronunciation: Res-seed uh
Common Name: Mignonette.
Latin Pronunciation: ress-sekk-tus
Meaning: cut-off (or seemingly so).
Meaning: Named for Esprit Requien, 19th century French botanist
Latin Pronunciation: re-KWEE-en-eye
resiniferous
Producing resin.
resin
A plant secretion, often aromatic, that is insoluble in water but soluble in ether or alcohol.
Meaning: Bearing resin
Latin Pronunciation: res-in-EE-fer-uh
Meaning: Bearing resin
Latin Pronunciation: res-in-EE-fer-um
resinous
Coated with a sticky gum or resin.
Latin Pronunciation: rez-in-niff-er-us
Meaning: producing resin.
Meaning: Resinous
Latin Pronunciation: res-in-OH-suh
Meaning: Flowing resin
Latin Pronunciation: res-in-IF-floo-a
Alternative Self-Pronouncing:res-in-ih-FLOO-a
resin dot
Tiny circular or globular yellow spots, usually not obvious except under magnification.
Latin Pronunciation: rez-in-noh-sus
Meaning: having resin (resinous).
Meaning: Resinous
Latin Pronunciation: res-in-OH-sum
Meaning: From the Latin, restis (cord or rope), referring to a common use for the plant
Latin Pronunciation: RES-tee-oh
resupinate
Turned upside down.
Meaning: From the Latin resupinare (to turn back), inverted or upside-down
Latin Pronunciation: ree-soo-peh-NAH-ta
Alternative Self-Pronouncing:reh-soo-pin-AY-ta
restoration
The return of an ecosystem or habitat to its original structure, natural complement of species, and natural functions.
Meaning: From the Latin resupinare (to turn back), inverted or upside-down
Latin Pronunciation: ree-soo-peh-NAH-tus
Alternative Self-Pronouncing:reh-soo-pin-AY-tus
Meaning: From the Latin resupinare (to turn back), inverted or upside-down
Latin Pronunciation: ree-soo-peh-NAH-tum
Alternative Self-Pronouncing:reh-soo-pin-AY-tum
retardants
Admixtures that increase the setting time of cement by slowing down hydration.
resupine
Refers to a flower or leaf on which the stalk twists a full half turn, 180 degrees, so that the organ appears to be upside down.
retentive sepals
Sepals that remain attached to the apex of the receptacle after it has ripened into a hip.
Meaning: Netted
Latin Pronunciation: reh-tick-yoo-LAY-tuh
Meaning: Latanized form of the Arabic name retem
Latin Pronunciation: re-TAM-uh
Meaning: Netted
Latin Pronunciation: re-tik-yoo-LAY-riss
reticulate
In the form of network; netveined.
reticulation
The entire network of reticulate veins, ribs, coloring and/or fibers.
Latin Pronunciation: ret-ik-yew-lay-tus
Meaning: netted, net-veined (reticulate).
reticulum (pl. reticula)
A mesh-like network.
Meaning: Netted
Latin Pronunciation: reh-tick-yoo-LAY-tum
retinaculum
The structure by which another structure is attached to a plant.
Latin Pronunciation: Ret-in-nossMeaning: (niss)-por-uh
Common Name: Now the genus Chamaecyparis.
Meaning: Bent backwards
Latin Pronunciation: ret-roh-FLEKS-uh
Latin Pronunciation: ret-tort-us
Meaning: twisted back.
Meaning: Twisted back
Latin Pronunciation: re-TOR-tuh
Meaning: Twisted back
Latin Pronunciation: re-TOR-tum
Meaning: Bent backwards
Latin Pronunciation: ret-roh-FLEKS-um
Latin Pronunciation: ret-roh-flex-us
Meaning: bent backward.
Meaning: Reflexed
Latin Pronunciation: re-troh-FRAK-tuh
retrorse
Directed back or downward.
Meaning: Reflexed
Latin Pronunciation: re-troh-FRAK-tus
Meaning: Reflexed
Latin Pronunciation: re-troh-FRAK-tum
retting
Soaking plant tissue so as to induce bacterial growth that will aid in the separating of the fibers.
Meaning: Rounded and notched tip
Latin Pronunciation: re-TOO-suh
retuse
With a shallow notch at a rounded apex.
Meaning: Rounded and notched tip
Latin Pronunciation: re-TOO-sum
Latin Pronunciation: ret - tew - sus
Meaning: notched (at apex).
Meaning: Named for Julien Reverchon, 19th century French immigrant to Texas and avid plant collector
Latin Pronunciation: rev-er-SHON-ee-eye
revolute
Rolled backward from the margins or apex; describing a ray floret with margins rolled backward along their longitudinal axis. See also: fully revolute.
Meaning: Rolled back from margins or apex
Latin Pronunciation: re-vo-LOO-tuh
Latin Pronunciation: rev-verss-us
Meaning: reversed.
Meaning: Rolled back from margins or apex
Latin Pronunciation: re-vo-LOO-tum
reversion
When a genetically differentiated plant or sport reverts to normal growth. For instance, variegated leafs turn green.
Latin Pronunciation: rev-ol-lew-tus
Meaning: rolled back (revolute).rex
Meaning: the King.
Meaning: King
Latin Pronunciation: reks
Meaning: An interspecific hybrid of rex (meaning king) and cultorum (cultivated)
Latin Pronunciation: reks kul-TOR-um
Meaning: Named for AA Reynaud, French botanist and forester
Latin Pronunciation: rey-NAUD-ee-a
Meaning: Named for Dr. Gilbert Westacott Reynolds, early 20th century collector of and authority on the genus Aloe in South Africa
Latin Pronunciation: rey-NOLDS-ee-eye
Meaning: From the Greek rhabdos (rod) and adenos (gland)
Latin Pronunciation: rab-da-DEE-nee-a
Meaning: An old name for Rhubarb, possibly derived from a word for the Volga region and foreign
Latin Pronunciation: ra-BAR-buh-rum
Meaning: Striped, with a rod-like marking
Latin Pronunciation: rab-DOH-tuh
Meaning: Named for AA Reynaud, French botanist and forester
Latin Pronunciation: rey-naud-ee-AH-na
Meaning: Striped, with a rod-like marking
Latin Pronunciation: rab-DOH-tus
Latin Pronunciation: Rab-doh-tham-nus.
rhachilla
A secondary axis; specifically, in the grasses and sedges, the floral axis as opposed to that of the spike or spikelet.
rhachis
The axis of a spike or of a compound leaf.
Latin Pronunciation: Ram-nus
Common Name: Buckthorn.
Meaning: Striped, with a rod-like marking
Latin Pronunciation: rab-DOH-tum
Meaning: From the Greek rhagos (berry); referring to the fruit
Latin Pronunciation: ra-GO-dee-uh
Latin Pronunciation: ram - noy - deez
Meaning: Buckthorn-like.
rhape
The ridge or adnate funicle which in an anatropous ovule connects the two ends.
rhaphides
Needle-shaped crystals often occurring in bundles within the cells of certain plants.
Meaning: From the Greek rhaphis (needle) and phoros (carrying), referring to the needle-like points on the fruit; also spelled Raphidophora
Latin Pronunciation: ra-fid-OH-for-a
Meaning: From the Greek rhaphis (needle) and lepis (scale), referring to the narrow bracteoles
Latin Pronunciation: raf-ee-oh-LEP-iss
Latin Pronunciation: Rap-id-oh-fill-urn
Common Name: Needle Palm.
Meaning: Named for Abu Bekr-er-Rasi, first century Arabian physician
Latin Pronunciation: RAZ-yuh
Latin Pronunciation: Ray-piss
Common Name: Lady Palm.
Latin Pronunciation: Rye-nanth-us
Common Name: Rattle-box.
Latin Pronunciation: Ree-um
Common Name: Rhubarb.
Meaning: Resembling the Rhipsalis genus
Latin Pronunciation: rip-sal-li-DOP-sis
Latin Pronunciation: Rip-suh-liss.
Meaning: Having a rhizome (long root)
Latin Pronunciation: ry-ZO-ma-ta
Latin Pronunciation: Rex-ee-uh
Common Name: Meadow Beauty.
Meaning: Resembling Rhipsalis
Latin Pronunciation: rip-sal-OY-deez
Latin Pronunciation: ram-nif-foh-lee-us
Meaning: with leaves like the Buckthorn (Rhamnus).
Meaning: From the Greek rehektos (penetrable) and phyllon (leaf), referring to the perforated leaves
Latin Pronunciation: rek-to-FIL-lum
rhizobia
Bacteria in a symbiotic relationship with leguminous plants that results in nitrogen fixation.
rhizines
Strands of hyphae found on the lower surface of many foliose lichens.
Meaning: Has rhizomes
Latin Pronunciation: ry-zo-mat-OH-suh
Meaning: Has rhizomes
Latin Pronunciation: ry-zo-mat-OH-sum
rhizomatous
Having or appearing to have rhizomes.
Meaning: Having a rhizome (long root)
Latin Pronunciation: ry-ZO-ma-tus
rhizome chaff
Small pieces of rhizomes which are spread upon the ground and covered with soil so they can take root and form new plants.
Meaning: Has rhizomes
Latin Pronunciation: ry-zo-mat-OH-sus
rhizome cutting
A piece cut from a rhizome which can take root and form a new plant.
Meaning: Having a rhizome (long root)
Latin Pronunciation: ry-ZO-ma-tum
rhizomorph
A branched strand of fungus that looks like a root.
Meaning: Similar to plants of the genus Rhizophora, featuring aerial roots and living in mangrove areas
Latin Pronunciation: ree-ZOH-for-eh
rhizome (syn. rootstock, syn. understock, adj. rhizomatous)
Any prostrate or subterranean stem, usually rooting at the nodes and becoming erect at the apex.
Meaning: Bearing roots, referring to the typical aerial roots.
Latin Pronunciation: ree-ZOH-for-uh
Meaning: Leaves that can root
Latin Pronunciation: ry-zo-FIL-um
Latin Pronunciation: rye - zoh - fin- us
Meaning: root- leaved (stemless).
Meaning: Named for Rhodanthe, a beautiful woman in Greek mythology, who Diana turned into a rose; literally means rose flower
Latin Pronunciation: rho-DAN-thee
Meaning: Leaves that can root
Latin Pronunciation: ry-zo-FIL-uh
rhizosphere
The area that surrounds and is influenced by a plant's roots.
Meaning: With rose-colored flowers
Latin Pronunciation: rho-DAN-tha
Meaning: With rose-colored flowers
Latin Pronunciation: rho-DAN-thum
Meaning: Diminutive of the Latin rhudon (rose), referring to the rose-scented roots
Latin Pronunciation: ROD-ee-oh-luh
Latin Pronunciation: roh-danth-us
Meaning: Rose-flowered.
Latin Pronunciation: roh-dok-kye-lus
Meaning: Rose- lipped.
Meaning: Prefix meaning red coloured
Latin Pronunciation: roh-doh
Latin Pronunciation: Roh-doh den-dron
Common Name: Rhododendron, Rose-bay, AzaleaMeaning: (as to various species).
Latin Pronunciation: roh-doh-sink-tus
Meaning: red- girdled.
Meaning: Red cloak
Latin Pronunciation: roh-doh-KY-ton
Latin Pronunciation: roh-doh-new-rus
Meaning: red- veined.
Meaning: From the Greek rhodo (red) and Hypoxis (a related genus name)
Latin Pronunciation: roh-doh-hy-POKS-iss
Latin Pronunciation: Roh-doh-mert-us
Common Name: Downy- myrtleMeaning: (R. tomentosa).
Latin Pronunciation: Roh-doh-kye-ton
Common Name: Purple Bell-vine.
Meaning: From the Greek rhodo (red) and Latin phiala (flat-bottom drinking vessel, saucer)
Latin Pronunciation: roh-doh-FY-al-luh
Meaning: Of or from the Rhodope Mountains in southern Bulgaria
Latin Pronunciation: roh-doh-PEN-sis
Meaning: Red seeded
Latin Pronunciation: roh-doh-SPER-mum
Meaning: From the Greek rhodos (rose), and lirion (lily)
Latin Pronunciation: ro-do-LEER-ee-on
Latin Pronunciation: Roh-doss-tak-iss.
Meaning: Red seeded
Latin Pronunciation: roh-doh-SPER-mus
Meaning: Red seeded
Latin Pronunciation: roh-doh-SPER-muh
Latin Pronunciation: Roh-doh-tham-nus.
Latin Pronunciation: Roh-doh-tye-pos
Common Name: Jetbead.
Meaning: Red hairs
Latin Pronunciation: roh-doh-TRY-kuh
Meaning: From the Greek for red
Latin Pronunciation: ROH-ee-as
Latin Pronunciation: Ree-oh.
rhombic
Diamond-shaped.
Meaning: Rhomboid; diamond shaped
Latin Pronunciation: rom-BY-kuh
Meaning: Possibly from the Latin rhoicus (belonging to Sumac or Rhus genus) and cissus (ivy)
Latin Pronunciation: roh-ih-KISS-us
Alternative Self-Pronouncing:roy-KISS-us
Meaning: Rhomboid; diamond shaped
Latin Pronunciation: rom-BY-kus
Meaning: Rhomboid; diamond shaped
Latin Pronunciation: rom-BY-kum
Meaning: Leaves in a diamond shape
Latin Pronunciation: rom-bif-OH-lee-um
Meaning: Diamond-shaped
Latin Pronunciation: rom-BIF-for-me
Meaning: From Latin rhombus (a parallelogram with sides of equal length) and petala (petalled)
Latin Pronunciation: rom-bi-puh-TAH -la
Alternative Self-Pronouncing:rom-bi-puh-TAY-la
Latin Pronunciation: rom-bif-foh-lee-us
Meaning: with rhomboid leaves.
Meaning: Diamond-shaped
Latin Pronunciation: rom-BIF-for-miss
Meaning: Diamond-shaped
Latin Pronunciation: rom-BOY-dee-uh
Meaning: Rhomboid; diamond-shaped
Latin Pronunciation: rom-BOYD-al-ee
rhomboid
Refers to leaves, tepals, etc., which are diamond-shaped, with the base and tip having acute angles and the sides having obtuse angles.
Meaning: Leaves in a diamond shape
Latin Pronunciation: rom-bif-OH-lee-uh
Meaning: Rhomboid; diamond-shaped
Latin Pronunciation: rom-BOYD-al-iss
Meaning: Diamond-shaped
Latin Pronunciation: rom-BOY-dee-um
Latin Pronunciation: rom-boy-dee-us
Meaning: rhomboidal (quadrilateral with only opposite sides and angles equal).
Latin Pronunciation: Roh-pal-lost-il-iss
Common Name: Nikau Palm.
Latin Pronunciation: Rom-boh-fill-um.
Meaning: From the Greek rhynchos (beak), referring to the keel of the flowers
Latin Pronunciation: rin-KOH-see-a
Latin Pronunciation: Russ
Common Name: Sumac;Meaning: (Poison-ivy and Poison-oak are now classified as R. radicans). Ribes-Rye-beez
Common Name: Currant, Gooseberry.
Meaning: Beaked scales (referring to glumes and lemmas)
Latin Pronunciation: rin-KEL-ee-trum
Alternative Self-Pronouncing:rinch-EL-ee-trum
Meaning: From the Greek rhytidos (wrinkle, fold) and kaulos (stem); referring to the sculptured appearance of the stems
Latin Pronunciation: ry-tid-oh-KAW-lon
Meaning: From the Greek rhynchus (beak) and spora (seed)
Latin Pronunciation: RIN-koh-SPOR-uh
Alternative Self-Pronouncing:RINCH-oh-SPOR-uh
Meaning: From the Greek rhynchos (beak) and stylis (small pillar), referring to the beaked column of these plants
Latin Pronunciation: rin-koh-STY-liss
Alternative Self-Pronouncing:rinch-oh-STY-liss
Meaning: Wrinkled leaves
Latin Pronunciation: ry-ti-do-FIL-uh
Meaning: Wrinkled leaves
Latin Pronunciation: ry-ti-do-FIL-um
Meaning: Wrinkled tongue
Latin Pronunciation: ry-ti-GLOSS-uh
Meaning: Wrinkled leaves
Latin Pronunciation: ry-ti-do-FIL-us
Meaning: Wrinkled tongue
Latin Pronunciation: ry-ti-GLOSS-um
Meaning: Wrinkled tongue
Latin Pronunciation: ry-ti-GLOSS-us
rib
A primary or prominent vein of a leaf.
ribbed
With one or more prominent veins or nerves.
Meaning: From the Arabic name for a shrub with acidic fruit
Latin Pronunciation: REE-bees
Meaning: Named for Ricasoli (either a person or the area)
Latin Pronunciation: rik-uh-sol-ee-AH-nuh
ribs
Geologic ridges running parallel, as often occurs along a mountain side.
Meaning: Named for Richard Richardson, 18th century English physician and botanist
Latin Pronunciation: rich-AR-dee-uh
Meaning: Resembling Ricinus (Castor Bean)
Latin Pronunciation: riss-in-ee-AY-tus
Meaning: Named for Richard Richardson, 18th century English botanist; or for Sir John Richardson, 18th century English explorer
Latin Pronunciation: rich-ard-SON-ee-eye
Meaning: Resembling Ricinus (Castor Bean)
Latin Pronunciation: riss-in-ee-AY-tuh
Meaning: Named for Claude Antoine Gaspar Riche, 18th century French naturalist on the D'Entrecasteaux voyage
Latin Pronunciation: REE-shee-uh
Meaning: Having leaves like Ricinus (Castor Bean)
Latin Pronunciation: riss-in-ih-FOH-lee-uh
Latin Pronunciation: riss-in-if-foh-lee-us
Meaning: with leaves like Castor-oil plant Ricinus).
Meaning: From Ricinus (a Mediterranean sheep tick) and karpos (fruit); also spelled Ricinocarpus
Latin Pronunciation: riss-in-oh-KAR-pos
Meaning: From Ricinus (a Mediterranean sheep tick) and karpos (fruit); also spelled Ricinocarpos
Latin Pronunciation: riss-in-oh-KAR-pus
Meaning: Having leaves like Ricinus (Castor Bean)
Latin Pronunciation: riss-in-ih-FOH-lee-um
ridged
Angular, with lengthwise lines.
Meaning: Named for John Leonard Riddell, 19th century author of Catalogus Florae Ludovicianae
Latin Pronunciation: rid-DEL-ee-eye
Latin Pronunciation: Rik-koh-shee-uh.
Meaning: Somewhat rigid
Latin Pronunciation: rig-ES-enz
Latin Pronunciation: Riss - in - us
Common Name: Castor - bean,Castor-oil-plant.
right of way
A strip of land across another person's property, legally designated for owners of landlocked property to enter their holdings.
Latin Pronunciation: rye-jenz
Meaning: stiff, rigid.
Meaning: Stiffer or rather stiff
Latin Pronunciation: ri-JEH-de-or
Meaning: Very rigid, most rigid
Latin Pronunciation: rig-id-ISS-ih-muh
Meaning: Rigid
Latin Pronunciation: RIG-ih-duh
Meaning: Very rigid, most rigid
Latin Pronunciation: rig-id-ISS-ih-mus
Meaning: Very rigid, most rigid
Latin Pronunciation: rig-id-ISS-ih-mum
Meaning: Somehwat rigid
Latin Pronunciation: rig-ID-yoo-la
Latin Pronunciation: rij-jid-yew-lus
Meaning: somewhat stiff.
Meaning: Somehwat rigid
Latin Pronunciation: rig-ID-yoo-lum
Meaning: Rigid
Latin Pronunciation: RIG-ih-dum
Meaning: Full of cracks or fissures
Latin Pronunciation: rim-OH-sa
Latin Pronunciation: rij-id-us
Meaning: stiff.
rind
1. The bark of a tree outside the cambium layer. 2. The epicarp of a citrus fruit, e.g., an orange or a lemon.
Latin Pronunciation: rin-jenz
Meaning: gaping (ringent).
ringed
Having narrow encircling stipule scars around leaf scars.
ring scar
A ring-like scar left on a twig after a leaf drops.
Meaning: Named for Alfred Riocreux, 19th century French botanical artist
Latin Pronunciation: ree-oh-KREW-ee-uh
Meaning: Of or from the Rio Grande, a river and valley which marks the boundary between the U.S. state of Texas and Mexico
Latin Pronunciation: ree-oh-grand-EN-sis
Meaning: Of riverbanks
Latin Pronunciation: rip-AR-ee-uh
Meaning: Of or from the Rio Grande, a river and valley which marks the boundary between the U.S. state of Texas and Mexico
Latin Pronunciation: ree-oh-GRAND-is
ringent
Gaping, as the mouth of an open bilabiate corolla.
Meaning: Of or from the Rio Grande, a river and valley which marks the boundary between the U.S. state of Texas and Mexico
Latin Pronunciation: ree-oh-GRAND-ee
riparian
Of, or relating to, rivers or streams.
Latin Pronunciation: rip - pay - ree - us
Meaning: of river banks.
Meaning: Of riverbanks
Latin Pronunciation: rip-AR-ee-um
ripening
1. The maturing of a fruit as developmental changes prepare it for seed dispersal. 2. The hardening of wood, especially of soft twigs, important in taking cuttings for propagation.
Meaning: From the Greek: rhips (wickerwork) and gonia (corner or joint) in reference to the many-jointed stalks, giving the plants the common name Supplejacks
Latin Pronunciation: rip-OG-oh-um
Meaning: Named for Friedrich Ritter, early 20th century German cactus collector
Latin Pronunciation: RIT-ter-ee
Meaning: Derivation is obscure; possibly an old name for a plant with thorns (the plant was introduced to cultivation from western Europe and Asia in the mid-1600s)
Latin Pronunciation: RIH-tro
Alternative Self-Pronouncing:REE-tro
risers
The up and down sections of stair steps; necessary for landscape plans.
Meaning: Named for Friedrich Ritter, early 20th century German cactus collector
Latin Pronunciation: rit-ter-ee-AY-num
Meaning: Named for Riumin, president of the Moscow Horticultural Society
Latin Pronunciation: ryoom-in-ee-AH-na
Meaning: Named for Friedrich Ritter, early 20th century German cactus collector
Latin Pronunciation: rit-ter-ee-AY-nuh
Meaning: Growing by streams
Latin Pronunciation: riv-AY-lee
Latin Pronunciation: riv-vay-liss
Meaning: of brooks.
rivermouth
The place where a river empties into another body of water.
riverine
Refers to a river.
Latin Pronunciation: Riv - vye - nuh
Common Name: Rouge- plant.
Meaning: Named for August Quirinus Rivinus (aka August Quirinus Bachmann), 17th century professor of botany at Leipzig
Latin Pronunciation: riv-VEE-nee-uh
Alternative Self-Pronouncing:riv-VIN-ee-uh
Meaning: Named for August Quirinus Bachmann, (Latinised to Augustus Quirinus Rivinus), 17th century German botanist and anatomist
Latin Pronunciation: riv-in-ee-AH-nuh
Latin Pronunciation: riv-yew-/ay-riss
Meaning: growing by brooks.
Meaning: Found growing beside brooks
Latin Pronunciation: riv-yoo-LAIR-ee
Meaning: Of or from Roane Mountain (U.S.)
Latin Pronunciation: roh-ah-NEN-sis
Meaning: Named for John George Robertson, 19th century plant collector for Kew
Latin Pronunciation: rob-ert-SON-ee-eye
Meaning: Named after a Robert (there are several candidates for the honour)
Latin Pronunciation: roh-bert-ee-AH-num
Meaning: Named for William Robinson, 20th century British gardener, explorer and author, revered as the Father of the English Flower Garden
Latin Pronunciation: rob-in-son-ee-AH-na
Latin Pronunciation: Roh-bin-ee-uh
Common Name: Locust. RocheaMeaning: (for Swiss botanist Francois de la Roche)
Latin Pronunciation: Roh-kee-uh.
Meaning: Strength, oak wood
Latin Pronunciation: ROH-bur
Meaning: Robust
Latin Pronunciation: roh-BUS-tuh
Meaning: Robust spines
Latin Pronunciation: roh-bus-tih-SPIN-uh
Latin Pronunciation: roh-bus-tiss-spye-nus
Meaning: stout-spined.
Meaning: Named by Adrien Rene Franchet and Paul Amadee Ludovic Savatier, derivation is obscure
Latin Pronunciation: ro-shay-broo-nee-AY-um
Alternative Self-Pronouncing:ro-kee-broo-nee-AH-num
Meaning: Robust
Latin Pronunciation: roh-BUS-tum
Latin Pronunciation: roh-bust-us
Meaning: sturdy, stout.
Meaning: Robust
Latin Pronunciation: roh-BUS-tee-us
Meaning: Robust
Latin Pronunciation: roh-BUS-tee-um
Meaning: Named for Joseph Francis Charles Rock, 20th century Austrian-born American plant hunter in China and Hawaii
Latin Pronunciation: ROK-ee-eye
rock garden
A garden laid out among rocks and adapted for the growth of particular kinds of plants, such as alpines.
Latin Pronunciation: Rod-jerz-ee-uh.
Meaning: Named for Manuel Rodriguez, 18th century Spanish physician and botanist
Latin Pronunciation: rod-ree-GEE-zee-uh
Meaning: Named for Carl Roebelen (Roebelin), who discovered the species
Latin Pronunciation: roh-bel-EN-ee-eye
Meaning: Variant spelling of roebelenii, named for Carl Roebelen (Roebelin), who discovered the species
Latin Pronunciation: roh-bel-EN-ee-eye
Meaning: Named for G. Roelle, 18th century professor of anatomy in Amsterdam
Latin Pronunciation: roh-EL-luh
Meaning: Named for collector Benedikt (aka Benito) Roezl, 19th century Czech who collected in Mexico and South America
Latin Pronunciation: ROZE-lee-eye
Meaning: Named for Roemer - several botanists have this name, it may depend on the species as to which Roemer they refer to
Latin Pronunciation: ro-mer-ee-AH-nuh
Latin Pronunciation: Roh-dee-uh.
Meaning: Named for Rogers; the person commemorated depends on the species
Latin Pronunciation: ro-JERZ-ee-eye
Meaning: Of Rome, Roman
Latin Pronunciation: roh-MAHN-um
Meaning: Named for Friedrich Gerhard Rohlfs, 19th century German explorer of the Sahara
Latin Pronunciation: rohlf-see-AY-num
Alternative Self-Pronouncing:rohlf-see-AH-num
Meaning: Of Rome, Roman
Latin Pronunciation: roh-MAHN-a
rolled
Curled under; revolute.
Latin Pronunciation: Roh-man-zoff-ee-uh.
Meaning: Named for Count Nicholas Romanzoff, 19th century Russian who financed and promoted the expedition
Latin Pronunciation: roh-man-zoff-ee-AH-num
Meaning: Named for Count Nicholas Romanzoff, 19th century Russian who financed and promoted the expedition
Latin Pronunciation: roh-man-zoff-ee-AH-nuh
Latin Pronunciation: Rom-nee-uh
Common Name: Matilija-Poppy.
Latin Pronunciation: Ron-del-leesh-ee-uh.
Meaning: Referring to Rondonia, in the Amazon Basin in Brazil
Latin Pronunciation: ron-doh-nee-AH-na
Latin Pronunciation: Rom-yew-lee-uh.
Meaning: Referring to Rondonia, in the Amazon Basin in Brazil
Latin Pronunciation: ron-doh-nee-AH-nus
Meaning: Referring to Rondonia, in the Amazon Basin in Brazil
Latin Pronunciation: ron-doh-nee-AH-num
rootball (alt. root ball)
The root stock and surrounding soil together; in nurseries and during transport, these are held together by burlap or other wrapping.
Meaning: Of or from Rondonia, in the Amazon Basin in Brazil
Latin Pronunciation: ron-doh-nee-EN-sis
rootlet
A small, secondary root.
rootbound (alt. root bound)
The condition of a houseplant or outdoor container plant which has outgrown its container, with the roots filling every niche of the container. Eventually, the roots will themselves strangle the plant by constricting the flow of nutrients. A hook or blade is required to cut through and separate the tangled matted outer roots when removed from the pot and before placing in the new container.
root
The underground part of a plant that serves to anchor it and supplies it with nourishment.
rootstock (syn. rhizome, syn. understock)
1. A rhizome. 2. The root system and lower portion of a woody plant to which a graft of a more desirable plant is attached.
rootworm
The larvae of a beetle of the genusDiabrotica that feed on the roots of various plants, particularly corn.
rootbound (alt. root bound)
The condition of a houseplant or outdoor container plant which has outgrown its container, with the roots filling every niche of the container. Eventually, the roots will themselves strangle the plant by constricting the flow of nutrients. A hook or blade is required to cut through and separate the tangled matted outer roots when removed from the pot and before placing in the new container.
root cutting
A cutting taken from the root of a parent plant for the purpose of propagation.
root knot
A disease of the roots characterized by a swelling and caused by nematodes.
root zone
The area immediately surrounding the roots and from which a plant takes moisture and nourishment.
root pruning
1. Pruning to stimulate the growth of new roots within a parameter in preparation for transplanting. 2. Trimming and/or scoring the outer layer of roots of a plant that has become root bound. 3. The act of removing a portion of a plant's roots to keep top growth in check.
Meaning: From the Latin, meaning dewy; wet with dew
Latin Pronunciation: RO-rid-uh
Meaning: Latinized form of Rorippen, a Saxon vernacular name used by Euricius Cordus
Latin Pronunciation: ro-RIP-uh
roridulous (alt. roridulate)
Dewy; covered with waxy plates which appear to be dew drops.
Meaning: From the Latin rorida (dewy; wet with dew)
Latin Pronunciation: ro-RID-yoo-la
Meaning: Rose of China
Latin Pronunciation: RO-suh se-NEN-sis
Latin Pronunciation: roh-zay-see-us
Meaning: Rose-like.
Latin Pronunciation: Roh-zuh
Common Name: Rose.
Latin Pronunciation: roh-zee-fioh-rus
Meaning: Rose- flowered.
Meaning: The Rosa (rose) family
Latin Pronunciation: ro-ZAY-see-ay
Meaning: Having foliage like Rosa (Rose genus); also spelled rosifolia
Latin Pronunciation: roh-say-FOH-lee-uh
Meaning: Having leaves like Rosa (Rose genus); also spelled rosifolius
Latin Pronunciation: roh-say-FOH-lee-us
Meaning: Named for William Roscoe, 19th century British lawyer and founder of the Liverpool botanic garden
Latin Pronunciation: ross-KOH-ee-uh
Meaning: Rosy
Latin Pronunciation: RO-zee-uh
Meaning: Named for Joseph Nelson Rose, early 20th century American botanist and authority on Apiaceae and Cactaceae
Latin Pronunciation: ROSE-eye
Meaning: Rose colored flower
Latin Pronunciation: roh-sey-FLOR-um
Meaning: Rose colored flower
Latin Pronunciation: roh-sey-FLOR-uh
Meaning: Rose colored flower
Latin Pronunciation: roh-sey-FLOR-us
Meaning: With leaves in a small rosette
Latin Pronunciation: ro-SEL-lum
Meaning: With leaves in a small rosette
Latin Pronunciation: ro-SEL-luh
Latin Pronunciation: Roh-zee-oh-kak-tus.
Meaning: With leaves in a small rosette
Latin Pronunciation: ro-SEL-lus
Meaning: Rose-yellow, referring to the bi-colored flowers
Latin Pronunciation: roh-see-oh-LOO-tee-uh
Meaning: Rose-yellow, referring to the bi-colored flowers
Latin Pronunciation: roh-see-oh-LOO-tee-us
Meaning: Rose painted
Latin Pronunciation: ro-see-oh-PIK-tum
Meaning: Rose painted
Latin Pronunciation: ro-see-oh-PIK-tuh
Meaning: Rose-colored spadix (a clublike spike with tiny flowers and often enclosed within a sheath-like spathe)
Latin Pronunciation: roh-see-oh-SPAY-diks
rosette
A cluster of leaves which grows in a circular overlapping pattern--somewhat like the petals of a rose--arising basally from a crown, as on a dandelion, or apically from an axis, as on many palms.
Latin Pronunciation: roh-zee-us
Meaning: rosy (color).
Meaning: Rosy
Latin Pronunciation: RO-zee-um
rose dethorner
Florist tool to remove the thorns from roses and other flowers.
rose hip
A smooth, rounded, fruit-like structure consisting of the cup-like calyx enclosing seed-like fruits.
Meaning: Having leaves like Rosemary
Latin Pronunciation: rose-ma-ree-nee-FOH-lee-uh
Meaning: Having leaves like Rosa (Rose genus); also spelled rosaefolia
Latin Pronunciation: roh-sih-FOH-lee-uh
Meaning: Having leaves like Rosa (Rose genus); also spelled rosaefolius
Latin Pronunciation: roh-sih-FOH-lee-us
Meaning: Having leaves like Rosemary
Latin Pronunciation: rose-ma-ree-nee-FOH-lee-us
Meaning: Of or from Rossiya (Russia)
Latin Pronunciation: ROS-ih-kum
Meaning: Having leaves like Rosemary
Latin Pronunciation: rose-ma-ree-nee-FOH-lee-um
Meaning: Of or from Rossiya (Russia)
Latin Pronunciation: ROS-ih-kuh
Meaning: Of or from Rossiya (Russia)
Latin Pronunciation: ROS-ih-kus
Meaning: Named for William Ross, a botanical collector; or Capt. James Ross, leader of an arctic expedition; or others named Ross, depending on genus
Latin Pronunciation: ROSS-ee-eye
Latin Pronunciation: Ross-muh-rye-nus
Common Name: Rose-mary.
Meaning: Named for Arthur Edler von Rosthorn, 19th century Austro-Hungarian ambassador in Peking
Latin Pronunciation: ros-thorn-ee-AH-na
Meaning: Named for John Ross, 19th century plant collector in Mexico
Latin Pronunciation: ross-ee-oh-GLOSS-um
rostellum
A little beak: a slender extension from the upper edge of the stigma in orchids.
rostellate
Having a short beak.
Meaning: Named for Arthur Edler von Rosthorn, 19th century Austro-Hungarian ambassador in Peking
Latin Pronunciation: ros-thorn-ee-AH-num
Meaning: Named for Arthur Edler von Rosthorn, 19th century Austro-Hungarian ambassador in Peking
Latin Pronunciation: ros-THORN-ee-eye
Meaning: With a beak
Latin Pronunciation: ro-STRAY-tuh
Meaning: Named for Arthur Edler von Rosthorn, 19th century Austro-Hungarian ambassador in Peking
Latin Pronunciation: ros-thorn-ee-AH-nus
rostrate
1. Having a beak. 2. Describes an operculum with a long beak.
Latin Pronunciation: ross-tray-tus
Meaning: beaked (rostrate).
Meaning: Having a small beak
Latin Pronunciation: rost-rin-YOO-kuh-luh
Latin Pronunciation: roh-zew-lay-riss
Meaning: in rosettes.
rosula
A rosette.
Meaning: Leaves borne in a rosette
Latin Pronunciation: ros-yoo-LAY-tuh
Alternative Self-Pronouncing:rose-yoo-LAT-uh
Meaning: With a beak
Latin Pronunciation: ro-STRAY-tum
Meaning: Rosette-shaped
Latin Pronunciation: rohs-uh-LAY-ree-a
rosulate
In the form of a rosette.
Meaning: Leaves borne in a rosette
Latin Pronunciation: ros-yoo-LAY-tus
Alternative Self-Pronouncing:rose-yoo-LAT-us
Meaning: Leaves borne in a rosette
Latin Pronunciation: ros-yoo-LAY-tum
Alternative Self-Pronouncing:rose-yoo-LAT-um
Meaning: Referring to the rose family, or color
Latin Pronunciation: RO-zum
rotary edger and trimmer
A lawn tool which has rotating spikes on one edge to trim grass back from drives and walks.
rot
Any of various diseases causing the breakdown and rotting of tissue.
Meaning: From rotalis (wheeled, wheel-like), referring to the whorled leaves
Latin Pronunciation: ro-TAY-luh
Meaning: From the Latin rota (wheel, coiled) and anthos (flower)
Latin Pronunciation: roh-TAN-tha
rotary mower
The most common type of grass- cutting tool, usually powered by gasoline or electricity.
Meaning: Referring to the rose family, or color
Latin Pronunciation: RO-zus
rotate
Describes a corolla that is wheel-shaped flat and circular in outline.
Meaning: Wheel-like
Latin Pronunciation: ro-TAY-tum
Meaning: Named for Joseph Trimble Rothrock, 19th century surgeon and botanist for the Wheeler Expedition
Latin Pronunciation: roth-ROK-ee-eye
Meaning: Wheel-like
Latin Pronunciation: ro-TAY-tuh
Latin Pronunciation: roh-tay-tus
Meaning: disc-like flower limb or corolla (rotate).
Meaning: Named for Lionel Walter, 2nd Baron Rothschild, early 20th century British naturalist and zoologist
Latin Pronunciation: roths-child-ee-AH-nus
Meaning: Named for Lionel Walter, 2nd Baron Rothschild, early 20th century British naturalist and zoologist
Latin Pronunciation: roths-child-ee-AH-nuh
rotation grazing
Alternating between two or more pastures. See also: cell system pasturing, deferred grazing.
Meaning: Named for Lionel Walter, 2nd Baron Rothschild, early 20th century British naturalist and zoologist
Latin Pronunciation: roths-child-ee-AH-num
Meaning: Round, fat
Latin Pronunciation: ro-TUN-duh
rotund
Rounded.
Meaning: Named for Lionel Walter, 2nd Baron Rothschild, early 20th century British naturalist and zoologist
Latin Pronunciation: roths-CHILD-ee-eye
Meaning: Rounded
Latin Pronunciation: roh-tun-DAY-tuh
Meaning: Rounded
Latin Pronunciation: roh-tun-DAY-tum
Meaning: Round leaf
Latin Pronunciation: ro-tun-dih-FOH-lee-um
Meaning: Round leaf
Latin Pronunciation: ro-tun-dih-FOH-lee-uh
Latin Pronunciation: roh-tun-dif-foh-lee-us
Meaning: round leaved.
Meaning: Round, fat
Latin Pronunciation: ro-TUN-dum
Meaning: Rounded
Latin Pronunciation: roh-tun-DAY-tus
Latin Pronunciation: roh-tund-us
Meaning: round.
Meaning: Named for Arabella Elizabeth Roupell, 20th century botanical artist in South Africa
Latin Pronunciation: roo-PEL-ee-ay
rough
Papillose.
Meaning: Named for Gordon Douglas Rowley, 20th century succulent enthusiast
Latin Pronunciation: ro-lee-AH-nus
Meaning: Named for William Roxburgh, 18th century Scottish botanist, who specialized in the flora of India
Latin Pronunciation: roks-burgh-ee-AH-nuh
Meaning: Named for William Roxburgh, 18th century Scottish botanist, who specialized in the flora of India
Latin Pronunciation: roks-burgh-ee-AH-num
Meaning: Named for John Forbes Royle, 19th century British botanist and physician in India before returning to London as professor of materia medica
Latin Pronunciation: ROY-lee-a
Meaning: Named for William Roxburgh, 18th century Scottish botanist, who specialized in the flora of India
Latin Pronunciation: roks-BURGH-ee-eye
Meaning: Named for John Forbes Royle, 19th century British botanist and physician in India before returning to London as professor of materia medica
Latin Pronunciation: roy-lee-AY-na
Meaning: Named for John Forbes Royle, 19th century British botanist and physician in India before returning to London as professor of materia medica
Latin Pronunciation: ROYL-ee-eye
Meaning: Named for John Forbes Royle, 19th century British botanist and physician in India before returning to London as professor of materia medica
Latin Pronunciation: roy-lee-AY-num
Meaning: Named for John Forbes Royle, 19th century British botanist and physician in India before returning to London as professor of materia medica
Latin Pronunciation: roy-lee-AY-nus
rubefacients
Herbal medicines which open the small blood vessels of the skin to increase its heat and redness.
Latin Pronunciation: Roy - stoh - nee - uh
Common Name: Royal Palm.
Meaning: A little bit red; pale red
Latin Pronunciation: ROO-bel-uh
Latin Pronunciation: roo-bell-us
Meaning: reddish.
Meaning: A little bit red; pale red
Latin Pronunciation: ROO-bel-um
Latin Pronunciation: roo-ber
Meaning: red.
Meaning: From the Latin ruber (red), referring to the reddish dye obtained from the roots of this plant
Latin Pronunciation: ROO-bee-uh
Latin Pronunciation: roo-behr-im-us
Meaning: very red.
Latin Pronunciation: roo-bess-senz
Meaning: reddish, becoming red.
Meaning: Ruddy
Latin Pronunciation: rub-ee-KUN-duh
Latin Pronunciation: roo-benz
Meaning: red or ruddy.
Meaning: Ruddy
Latin Pronunciation: rub-ee-KUN-dum
Meaning: Having foliage resembling Rubia (genus name from the Latin ruber, red)
Latin Pronunciation: roo-bih-FOH-lee-uh
Latin Pronunciation: roo - bik - kund - us
Meaning: red, ruddy.
Meaning: Rusty
Latin Pronunciation: roo-bij-ih-NO-suh
Meaning: Having foliage resembling Rubia (genus name from the Latin ruber, red)
Latin Pronunciation: roo-bih-FOH-lee-um
Latin Pronunciation: roo-bij-in-noh-sus
Meaning: rusty (color).
Meaning: Rusty
Latin Pronunciation: roo-bij-ih-NO-sum
Meaning: Red
Latin Pronunciation: roo-BIN-ee-us
Meaning: Resembles Rubia (genus name, from the Latin ruber, meaning red)
Latin Pronunciation: roo-bee-OY-deez
Meaning: Red
Latin Pronunciation: roo-BIN-ee-a
Meaning: Red colored
Latin Pronunciation: ROO-bruh
Meaning: Red-colored spines
Latin Pronunciation: roo-bih-SPIN-uh
Meaning: Red-stemmed
Latin Pronunciation: roo-bri-KAW-lee
Latin Pronunciation: roo-brik-kaw-liss
Meaning: red- stemmed.
Latin Pronunciation: roo-broh-frook-tus
Meaning: red-fruited.
Latin Pronunciation: roo-brif-foh-lee-us
Meaning: red-leaved.
Meaning: Red-colored spines
Latin Pronunciation: roo-bih-SPIN-us
Meaning: From the Greek rubra (red), and grandis (large, spectactular)
Latin Pronunciation: roo-bro-GRAN-dis
Meaning: Red margins
Latin Pronunciation: roo-bro-mar-gin-AY-tus
Meaning: Red margins
Latin Pronunciation: roo-bro-mar-gin-AY-tum
Meaning: Red margins
Latin Pronunciation: roo-bro-mar-gin-AY-tuh
Latin Pronunciation: roo-broh-nerv-iss
Meaning: red- veined.
Meaning: Red veined
Latin Pronunciation: roo-bro-NER-vee-um
Meaning: Red veined
Latin Pronunciation: roo-bro-NER-vee-uh
Meaning: From the Greek rubro (red) and pilosus (hair)
Latin Pronunciation: roo-broh-pil-OH-sum
Meaning: Red veined
Latin Pronunciation: roo-bro-NER-vee-us
Meaning: From the Greek rubro (red) and pilosus (hair)
Latin Pronunciation: roo-broh-pil-OH-suh
Meaning: From the Greek rubro (red) and pilosus (hair)
Latin Pronunciation: roo-broh-pil-OH-sus
Meaning: Red-dyed, because the leaves turn red in full sun
Latin Pronunciation: roo-broh-TINK-tuh
Meaning: With a red stem
Latin Pronunciation: roo-broh-STIL-uh
Meaning: Red-violet
Latin Pronunciation: roo-broh-vy-oh-LAH-see-uh
Alternative Self-Pronouncing:roo-broh-vy-oh-LAH-say-uh
Latin Pronunciation: roob-rus
Meaning: red.
Meaning: Red-dyed, because the leaves turn red in full sun
Latin Pronunciation: roo-broh-TINK-tum
Meaning: Red-dyed, because the leaves turn red in full sun
Latin Pronunciation: roo-broh-TINK-tus
Latin Pronunciation: Roo-bus
Common Name: This genus, the Brambles, includes Blackberries, Dewberries and Raspberries.
Meaning: Red colored
Latin Pronunciation: ROO-brum
ruderal
Growing in poor land or waste places.
Meaning: Of or growing in debris or wasteland
Latin Pronunciation: roo-der-AY-lee
rudimentary
Partially developed.
Latin Pronunciation: Rud-bek-ee-uh
Common Name: Cone- flower.
Meaning: From rufus (red) and acer (Maple genus)
Latin Pronunciation: ROOF-ay-ser
Latin Pronunciation: roo-diss
Meaning: wild, not cultivated.
Latin Pronunciation: roo-fess-senz
Meaning: reddish.
Latin Pronunciation: Rew-ell-ee-uh.
Meaning: Red-brown, rusty colour
Latin Pronunciation: ROO-fuh
Meaning: Somewhat reddish or rusty-coloured
Latin Pronunciation: roo-FEE-duh-la
Alternative Self-Pronouncing:roo-FID-yoo-la
Meaning: Somewhat reddish or rusty-coloured
Latin Pronunciation: roo-FEE-duh-lus
Alternative Self-Pronouncing:roo-FID-yoo-lus
rufescent (alt. rufous)
Reddish-brown.
Meaning: Reddish, rusty colour
Latin Pronunciation: ROO-fee-duh
Meaning: Somewhat reddish or rusty-coloured
Latin Pronunciation: roo-FEE-duh-lum
Alternative Self-Pronouncing:roo-FID-yoo-lum
Meaning: Reddish, rusty colour
Latin Pronunciation: ROO-fee-dum
Latin Pronunciation: roo-fln-nerv-iss
Meaning: reddish-veined.
Meaning: Having red veins
Latin Pronunciation: roo-fi-ner-vee
Alternative Self-Pronouncing:roo-fee-ner-vee
Meaning: Red-brown, rusty colour
Latin Pronunciation: ROO-fum
Meaning: Named for Ferdinand Rugel, 19th century American botanist in the southeastern U.S.
Latin Pronunciation: roo-GEL-ee-eye
Alternative Self-Pronouncing:rug-GEL-ee-eye
Meaning: Reddish-brown (rusty) beard
Latin Pronunciation: roo-fee-POH-gon
Meaning: Reddish, rusty colour
Latin Pronunciation: ROO-fee-dus
Latin Pronunciation: roof-us
Meaning: reddish, red.
Latin Pronunciation: roo-goh-sus
Meaning: wrinkled (rugose).
Meaning: Wrinkled
Latin Pronunciation: roo-GO-suh
rugose
Wrinkled; leaf veins deeply etched into the upper surface of the leaf.
Meaning: Wrinkled
Latin Pronunciation: roo-GO-sum
Meaning: Finely wrinkled
Latin Pronunciation: rug-yoo-LOH-sa
rugulose
Covered with minute wrinkles.
Meaning: Finely wrinkled
Latin Pronunciation: rug-yoo-LOH-sus
Meaning: Named for J. Ph. Ruling, botanist from Gottingen, Germany
Latin Pronunciation: rul-ING-ee-uh
Meaning: Finely wrinkled
Latin Pronunciation: rug-yoo-LOH-sum
Latin Pronunciation: Roo-mex
Common Name: Dock, Sorrel.
ruminate
Having a surface which is coarsely wrinkled, appearing as though chewed by a cow and then spit out, but not with the margins appearing gnawed as in erose margins.
Meaning: Of or from Rumili
Latin Pronunciation: roo-MEL-ee-kuh
Meaning: Named for Georg Everhard Rumpf (Latinized to Rumphius), 17th century botanical author of Herbarium Amboinense
Latin Pronunciation: RUMF-ee-eye
Alternative Self-Pronouncing:ROOMF-ee-eye
Meaning: Named for Karl Freiderich von Rumohr (Ruhmohr), 19th century German art expert
Latin Pronunciation: roo-MOH-ruh
Meaning: Having sawtoothed or serrated leaves pointing back towards the base
Latin Pronunciation: run-sin-AH-ta
runcinate
Sharply incised, with the segments directed backward.
Meaning: Having sawtoothed or serrated leaves pointing back towards the base
Latin Pronunciation: run-sin-AH-tum
Latin Pronunciation: run-sin-nay-tus
Meaning: back wardly-toothed.
runner
A filiform or very slender stolon. A prostrate branch that roots at its joints.
Meaning: Possibly named for Robert Runyon, early 20th century American amateur botanist and photographer
Latin Pronunciation: run-YON-ee-eye
runoff (alt. run-off)
Water which originated on top of the land, such as rain, and collected beyond the ability of the soil to absorb it, so it flows away.
Meaning: Rock-dweller
Latin Pronunciation: roo-pee-koh-lum
Meaning: Possibly named for Robert Runyon, early 20th century American amateur botanist and photographer
Latin Pronunciation: RUN-yon-eye
Meaning: Referring to rocks
Latin Pronunciation: rue-PES-tree
Meaning: Rock-dweller
Latin Pronunciation: roo-pee-koh-luh
Latin Pronunciation: roo-pest-riss
Meaning: rock-growing.
Latin Pronunciation: roo-pikk-ol-us
Meaning: growing on cliffs or ledges.
Meaning: Rock breaker, because it grows in clefts
Latin Pronunciation: roo-py-FRAG-uh
Meaning: Rock breaker, because it grows in clefts
Latin Pronunciation: roo-py-FRAG-um
Meaning: Named for Franz Joseph Ruprecht, 19th century Austrian-born Russian botanist and curator of Academy of Science in St. Petersburg
Latin Pronunciation: roo-PREK-tee-eye
Meaning: Named for Henry Hurd Rusby, 20th century plant collector and explorer who collected over 10,000 plants and helped establish the New York Botanical Garden
Latin Pronunciation: RUS-bee-a
Meaning: Rock breaker, because it grows in clefts
Latin Pronunciation: roo-py-FRAG-us
Meaning: Named for Henry Hurd Rusby, 20th century plant collector and explorer who collected over 10,000 plants and helped establish the New York Botanical Garden
Latin Pronunciation: rus-bee-AH-na
Meaning: Named for Henry Hurd Rusby, 20th century plant collector and explorer who collected over 10,000 plants and helped establish the New York Botanical Garden
Latin Pronunciation: rus-bee-AH-num
Meaning: Named for Franz Joseph Ruprecht, 19th century Austrian-born Russian botanist and curator of Academy of Science in St. Petersburg
Latin Pronunciation: roo-PREK-tee-a
Meaning: Named for Henry Hurd Rusby, 20th century plant collector and explorer who collected over 10,000 plants and helped establish the New York Botanical Garden
Latin Pronunciation: RUS-bee-eye
Meaning: Named for Ernst Julius Rusch, 20th century South African farmer and father to Ernst Franz Theodor Rusch, for whom Ruschianthus is named
Latin Pronunciation: ROOS-kee-uh
Meaning: Named for Henry Hurd Rusby, 20th century plant collector and explorer who collected over 10,000 plants and helped establish the New York Botanical Garden
Latin Pronunciation: rus-bee-AH-nus
Latin Pronunciation: Russ-kus
Common Name: Butchers-broomMeaning: (R. aculeatus).
Meaning: Having leaves like Ruscus (genus name derived from the Anglo-Saxon for holly or box)
Latin Pronunciation: rus-kih-FOH-lee-um
Meaning: Named for Ernst Franz Theodor Rusch, 19th century South African farmer, and son of Ernst Julius Rusch (for whom Ruschia is named)
Latin Pronunciation: roos-kee-ANTH-us
Meaning: Having leaves like Ruscus (genus name derived from the Anglo-Saxon for holly or box)
Latin Pronunciation: rus-kih-FOH-lee-uh
Meaning: Having leaves like Ruscus (genus name derived from the Anglo-Saxon for holly or box)
Latin Pronunciation: rus-kih-FOH-lee-us
rush (pl. rushes)
Any of various monocotyledonous, grass-like, often tufted marsh plants of the family Juncaceae, having cylindrical often hollow stems.
Meaning: Named for John Russell, 6th Duke of Bedford and promoter of botany, gardening, forestry and agriculture
Latin Pronunciation: rus-sel-lee-AY-nuh
Latin Pronunciation: Russ-seel-ee-uh
Common Name: Coral-blow.
rush (pl. rushes)
Any of various monocotyledonous, grass-like, often tufted marsh plants of the family Juncaceae, having cylindrical often hollow stems.
Meaning: Named after a Russell - but not sure who
Latin Pronunciation: russ-el-ee-AH-nuh
Meaning: Named for John Russell, 6th Duke of Bedford and promoter of botany, gardening, forestry and agriculture
Latin Pronunciation: rus-sel-lee-AY-num
rust
A large fungus group infecting such plants as roses and snapdragons. Round spots occur on the leaves, filled with yellow or reddish spores.
Meaning: Named for John Russell, 6th Duke of Bedford and promoter of botany, gardening, forestry and agriculture
Latin Pronunciation: rus-sel-lee-AY-nus
Meaning: Of or from Russia
Latin Pronunciation: RUSS-ee-kum
Meaning: From the country
Latin Pronunciation: RUS-tih-kuh
Alternative Self-Pronouncing:ROO-sti-kuh
Latin Pronunciation: rust-ik-kay-nus
Meaning: pertain partly or imperfectly pinnate.
rusticate (n. rustication)
To build or face with usually rough-surfaced masonry.
Meaning: From the country
Latin Pronunciation: RUS-tih-kum
Alternative Self-Pronouncing:ROO-sti-kum
Meaning: Rustic, of the countryside
Latin Pronunciation: rus-tik-AH-nuh
Latin Pronunciation: Root-uh
Common Name: Rue.
Meaning: Rustic, of the countryside
Latin Pronunciation: rus-tik-AH-num
Meaning: From the Greek ruta (bitter herb, such as rue) and murus (wall)
Latin Pronunciation: ROO-tuh mur-AY-ree-uh
Meaning: The Ruta family (genus name means bitter herb)
Latin Pronunciation: roo-TAY-see-ay
Latin Pronunciation: rust-ik-us
Meaning: belonging to the country.
Meaning: From the Greek ruta (bitter herb, such as rue) and murus (wall)
Latin Pronunciation: ROO-tay mur-AY-ree-ay
Meaning: Referring to Ruthenia, a region of European Russia
Latin Pronunciation: ru-THEN-ih-ka
Meaning: Referring to Ruthenia, a region of European Russia
Latin Pronunciation: ru-THEN-ih-kum
Meaning: Wrinkling, rutilant, shining
Latin Pronunciation: roo-tih-DO-sis
Meaning: Referring to Ruthenia, a region of European Russia
Latin Pronunciation: ru-THEN-ih-kus
Latin Pronunciation: rooth-enn-ik-us
Meaning: Russian (Ruthenian).
Meaning: Having foliage like Ruta (rue)
Latin Pronunciation: roo-tih-FOH-lee-uh
Meaning: Having foliage like Ruta (rue)
Latin Pronunciation: roo-tih-FOH-lee-us
Meaning: Goldish-red
Latin Pronunciation: roo-TIL-uh
Meaning: Having foliage like Ruta (rue)
Latin Pronunciation: roo-tih-FOH-lee-um
Meaning: Goldish-red
Latin Pronunciation: roo-TIL-um
Latin Pronunciation: root-il-anz
Meaning: red, reddening.
Meaning: Named for John Rutty, 18th century physician and author in Dublin
Latin Pronunciation: RUT-tee-uh
Meaning: Possibly from the Latin ruvo (red), or the Italian city Ruvo (formerly Rubi)
Latin Pronunciation: ROO-vo
Meaning: Named for Frederik Ruysch, 17th century Dutch anatomist and botanist
Latin Pronunciation: ru-EE-schee-a
Meaning: Goldish-red
Latin Pronunciation: roo-TIL-us
Meaning: Named for Per Axel Rydberg, early 20th century expert on expert on Western (U.S.) flora and member of the New York Botanical Gardens
Latin Pronunciation: ryd-BERG-ee-uh
Meaning: Named for Frederik Ruysch, 17th century Dutch anatomist and botanist
Latin Pronunciation: ru-ee-schee-AH-na
Meaning: Named for Frederik Ruysch, 17th century Dutch anatomist and botanist
Latin Pronunciation: ru-ee-schee-AH-num
Meaning: Named for Per Axel Rydberg, early 20th century expert on expert on Western (U.S.) flora and member of the New York Botanical Gardens
Latin Pronunciation: ryd-berg-ee-AY-nuh
Meaning: Named for Per Axel Rydberg, early 20th century expert on expert on Western (U.S.) flora and member of the New York Botanical Gardens
Latin Pronunciation: ryd-BERG-ee-eye
Meaning: Named for Dr. Jersy Rzedowski, professor of Botany at the University of Mexico
Latin Pronunciation: re-DOW-skee-eye