The oval grass-green joints reach up to 8 inches in length and have 2 to 6, light yellow spines of 1 inch extending from multiple white areoles while yellow glochids cover the surface. In summer the large yellow flowers are […]
Opuntia tuna ( Tuna Cactus )
The discoid, small, green joints reach up to 4 inches in length and have 3 to 5 pale yellow spines of 1 inch extending from brownish areoles, while yellow glochids cover the surface. In summer the large yellow flowers are […]
Opuntia triacantha ( Triacantha Cactus )
The pale green, oval elongated joints, reach up to 3 inches. This multi-branched shrub has 3 white spines, about an inch in length, per areole guarding its body. In summer the bell-shaped, large yellow flowers are borne singly and then […]
Opuntia tracyi ( Tracyi Cactus )
The flat, cylindrical, pale green, oblong or linear joints, reach up to 8 inches in length and have 1 to 4 greyish dark tipped spines of 1 1/4 inch extending from multiple areoles while brownish glochids cover the surface. In […]
Opuntia tomentella ( Tomentella Cactus )
The oval-elongated, pale green, slightly pubescent joints, reach up to 12 inches in length and have small areoles. In summer the large pale yellow flowers are borne singly and then produce small spineless fruit. This genus has the largest membership […]
Opuntia stenochila ( Stenochila Cactus )
The green, thick, obovoid joints reach up to 4 inches in length and have 2 white spines extending from multiple areoles while brown glochids cover the surface. In summer the large yellow flowers are borne singly and then produce fruit. […]
Opuntia sphaerocarpa ( Sphaerocarpa Cactus )
The oval, thick, pale green or purplish joints reach up to 6 inches in length and have 1 to 2 yellowish spines of 1 inch extending from upper and marginal brown areoles while yellow glochids and warts cover the surface. […]
Opuntia securigera ( Securigera Cactus )
The broach cushions are formed by dull green or green, oval joints, reach up to 3 inches in length and are covered with small warts and have 10 to 15, bristle-like, white spines extending from multiple white areoles while yellow-brown […]
Opuntia rubescens ( Rubescens Cactus )
This deep coppery-green, upright, branching, bush reaches between 9 and 20 feet in height, has barbed spines in the wild but is spineless in cultivation. The joints are elongated-oval or oval and grow to 10 inches in length, 1 to […]
Opuntia rhodantha ( Rhodantha Cactus )
The oval, thick, green joints reach up to 6 inches in length and have 2 to 4 yellowish spines of 1 inch extending from multiple brown areoles while brown glochids cover the surface. In summer the large red flowers are […]