Echinocereus chisoensis is a rare North American species of cactus known by the common name Chisos Mountain hedgehog cactus, native to the Chihuahuan Desert of northern Mexico and the south-central United States. Echinocereus chisoensis is an inconspicuous plant, forming small loose clumps. Stems are up to 30 cm (1 foot) long, sometimes erect but sometimes partially reclining on the ground. Flowers can be up to 10 cm (4 inches) long, whitish along the throat, with red or purple spots near the base, and pink near the tips. Anthers are yellow, fruit green.