P. chrysacanthion is a solitary cactus with a spherical pale green stem, with spirally arranged ribs, and is covered with thick yellow wool at the crown. Yellowish white areoles have yellow spi...

P. claviceps is cylindrical with 23-30 ribs, and white areoles with yellow spines. Funnel-shaped yellow flowers are borne in summer. Tolerates brief periods to 18 degrees Fahrenheit ( -8 C). ...

P. concinna is a dark green spherical cactus with a woolly crown , and white, yellow, or brown spines. Funnel-shaped, deep lemon-yellow flowers with red tips, bloom in spring. The Parodia gen...

P. brevihamata is a solitary or clustering cactus producing sperical, olive-green stems, each with 20-26 closely set ribs. Funnel-shaped, yellow, sometimes with a red tint flowers, bloom in spr...

Parkinsonia aculeata is a small to medium growing deciduos tree or shrub, 15 to 30 feet tall, and as wide. The bark is yellow-green, branches have spiny twigs, a very open, sparse growth patter...

Parkinsonia florida is a small bushy tree, leafless most of the year, with smooth, blue-green bark and sharp spines. In spring, bears corymbs of yellow flowers, to 3/4 inch across, with blotche...

P. sukhakulii blooms in the fall, solitary flowers, with green petals, spotted purple, green-striped white sepals, and red brown pouches. Thick, broad, strap-shaped green leaves, often mottled...

P. venustum blooms from winter to spring. Solitary flowers, with green and rose-red, maroon marked petals, green-striped white sepals, and yellowish green to red brown pouches. Thick, broad,...

P. villosum bears solitary, glossy, reddish brown flowers, 3 inches across, with green and brown upper sepals and light bronze to green pouches. Thick, broad, strap-shaped green leaves, often ...

P. niveum blooms in summer, white flowers, 3 inches across, with small red spots. Thick, broad, strap-shaped green leaves, often mottled with light grey-green. Orchid-shaped blooms with a dist...