Santa Rita prickly pear cactus pad with tufts of tiny spines, glochids, and one flower bud bristling with small fleshy vestigial leaves, Opuntia...
Santa Rita prickly pear cactus pad with tufts of tiny spines, glochids, and one flower bud bristling with small fleshy vestigial leaves, Opuntia...
Flowering Parodia cactus, Parodia species, Genus Parodia is also known as Notocactus, Genus is native to grasslands and forests of central South...
Parodia cactus with flower buds, Parodia species, Genus is native to grasslands and forests of central South America, Garden in Tucson, Arizona, USA,
Parodia cactus with three flower buds, Parodia species; the genus Parodia is also known as Notocactus, Genus is native to grasslands and forests of...
Spine pattern atop star cactus, Astrophytum asterias, Native to the Chihuahuan Desert, Garden in Tucson, Arizona, USA,