Opuntia humifusa Those recognizing this species treat "Opuntia rafinesquii" as a junior synonym. This plant is very intolerant of shade. It thrives in full sun in hot and dry environments and needs well-drained soil. Opuntia humifusa will grow in open or exposed areas in rocky and coastal scrub habits as well as at elevations where winter hardy. Opuntia humifusa Opuntia humifusa, commonly known as the devil's-tongue, eastern prickly pear or Indian fig, is a cactus native to parts of eastern North America. As is the case in other "Opuntia" species, the green stems of this low-growing perennial cactus are flattened, and are
Opuntia fragilis in). Both the common and scientific names refer to the easily detached stem segments. This is known to be a means of plant dispersal. "Opuntia fragilis" is a small, prostrate plant, rarely more than 4 inches high: joints tumid, fragile, easily detached, oval, elliptical, or subglobose, 1-2 in. long and nearly as thick as broad, bright green: areoles ¼-½ in. apart, with whitish wool and a few white to yellow bristles, which are much longer and more abundant on older joints; spines 1-4, occasionally a few small additional ones, weak, dark brown, the upper one usually longer and stronger than