Mt. Charleston Pricklypear

Clokey, Madroño 7(3): 71, 1943 Isotype; Isotype; Isotype; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Original Description What is Opuntia charlestonensis? Opuntia charlestonensis is a high-elevation prickly pear from Kyle Canyon on Mt. Charleston, Nevada (≈6,000–8,000 ft). It has been proposed as a hybrid taxon derived from two sympatric species, O. phaeacantha and O. polyacantha var. erinacea. […]