Cochemiea setispina

Cochemiea setispina is a species of Cochemiea found in Mexico.

Description
Cochemiea setispina has a gray-green stems that sprouts from the base to form larger clusters. Each shoot is up to 30 cm long and 3 to 6 cm in diameter, with conical warts and woolly axillae. It has 1 to 4 central spines that are 2 to 5 cm long and 10 to 12 flexible, whitish radial spines with dark tips. The zygomorphic flowers are 5 to 6 cm in size and scarlet red, with prominently protruding stamens. The dark red fruits are about 2 cm long, and the seeds are black.

Distribution
Cochemiea setispina is widespread in the Mexican state of Baja California, occurring near San Borja, San Julio Canyon, and on the island of Angel de la Guardia at elevations of 0 to 400 meters. It is found growing on the slope of granite mountains along with Echinocereus ferreirianus, Echinocereus sanborgianus, Mammillaria dioica and Ferocactus peninsulae.

Taxonomy
It was first described as Cactus setispinus in 1894 by John Merle Coulter, the specific epithet setispinus derives from the Latin words "seta" (bristly) and "-spinus" (thorny), referring to the slender marginal thorns. Frederick Arthur Walton reclassified the species into the genus Cochemiea in 1899.