Family: Cactus (Cactaceae)
Size: To 5 in. wide
Date: 6/03/2001
Other names: rainbow hedgehog, rainbow echinocereus, Arizona rainbow hedgehog.
Notes: Red and white spines forming alternating horizontal bands on stem of cactus. 6 species of echinocereus in Arizona.
Rainbow cactus plant profile on the USDA Plants server.