About Austrocylindropuntia vestita (Salm-Dyck) Backeb.
Austrocylindropuntia vestita (Salm-Dyck) Backeb. has common names including old man opuntia, cotton pole, and cotton coral cactus. It is a species belonging to the genus Austrocylindropuntia. This cactus grows on rocky soils in high altitude grasslands of northwest Argentina and Bolivia. It is a slender, columnar green cactus covered in white hairs.