Dark-spine Pricklypear

Engelm. Syn. Cact. U.S.: 41 (1856) Original Description Lectotype; Herbarium; Herbarium; Herbarium; Herbarium (flowers); Painting; Drawing    What is Opuntia fusco–atra (fuscoatra)? O. fusco–atra is a small pricklypear found in “sterile places” on prairies, in the general area or west of Houston, Texas.  Details The original description described stout black or brown spines, but we […]