Opuntia microdasys Opuntia microdasys Opuntia microdasys (angel's-wings, bunny ears cactus, bunny cactus or polka-dot cactus) is a species of flowering plant in the cactus family Cactaceae, native and endemic to central and northern Mexico. "Opuntia microdasys" forms a dense shrub 40–60 cm tall, occasionally more, composed of pad-like stems 6–15 cm long and 4–12 cm broad. "Opuntia microdasys" has no spines, but instead has numerous white or yellow glochids 2–3 mm long in dense clusters; these glochids are barbed and thinner than the finest human hairs, detaching in large numbers upon the slightest touch. If not removed they will cause considerable skin
Opuntia pinkavae magenta anthers and white styles. Fruits are tan, up to 3 cm (1.2 inches) long, dry when ripe. There is a bit of confusion concerning the correct scientific name. Specimens of "O. pinkavae" were distributed for years labeled as ""Opuntia kaibabensis"", a name that was never validly published. Parfitt's original description coining the name "Opuntia pinkavae" and the treatment attributed to Pinkava in Flora of North America suggest that the name was offered as a replacement for another allegedly unpublished name, "Opuntia basilaris" var. "woodburyi". However, the varietal name was indeed validly published, but chromosomal comparisons between it and "O.