Claret Cup (Echinocereus coccineus: Cactaceae) Sixteen species are represented from the genus Echinocereus in Texas with a host of infraspecific taxa. Sixteen species of the genus Echinocereus is represented in Texas with a host of infraspecific taxa. I have watched hummingbirds perch on the petal margins and bend over and sip nectar from the flowers. Photographed in the Davis Mountains, west of Fort Davis, Jeff Davis County, Texas, USA. Trans-Pecos Vegetational Area. Desert grasslands and scattered oaks at ca. 1,829 m (6,000 ft) elevation. Canon AE-1 camera with a Canon FD 100mm f/4 lens with Kodachrome 64 ASA slide film. April 1983