Opuntia ammophila Opuntia ammophila Opuntia ammophila, the devil's-tongue, is a species of prickly pear cactus in Florida. Individuals typically occur singly and do not generally form dense thickets. "O. ammophila" was once considered a variety of "O. humifusa"; however, it is a distinct species. Among their many differences, "O. ammophila" has gray-green cladodes rather than green or grass-green. "Opuntia ammophila" can grow to the height of humans, and large plants with thick trunks were encountered 100 years ago. However, now it is unusual to find plants that are even 1 m tall. However, even small plants form a single trunk. The flower
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