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 […]
Opuntia rafinesquei ( Rafinesquei Cactus )
The oval-elongated, thin, flat green joints reach up to 7 inches in length and are without spines as the norm but may have 1 to 3 white, backwards arching spines together only on the marginal areoles while brown glochids cover […]
Opuntia pycnantha ( Pycnantha Cactus )
The oblong, pale green, lightly pubescent, spiny joints, reach up to 7 inches in length and have 3 to 12 yellow or brown reflexed spines extending from large white areoles with yellow glochids. The large yellowish-green flowers are borne singly […]
Opuntia pumila ( Puma Cactus )
The green, branching, long and slender stem has cylidrical joints reaching between 2 and 8 inches in length. Two or more spines of yellow extend up to an inch from small areoles. In summer the bell-shaped, large red exterior and […]
Opuntia puberula ( Puberula Cactus )
The oval, hairy, yellow-green joints reach up to 5 inches in length and have multiple yellow areoles and tufted yellow glochids. In summer the large greenish-yellow flowers are borne singly and then produce red, round fruit. This genus has the […]
Opuntia polyantha ( Polyantha Cactus )
The yellow-green, oval-elongated, flattened joints, reach up to 5 1/2 inches in length and have 5 to 8 yellow spines up to 1 inch extending from multiple white areoles, while yellow-brown glochids cover the surface. In summer the mass of […]