genus Echinocereus ge·nu·sec·hinocereus uncommon noun 1. large genus of low-growing shrubby ribbed cacti of Mexico and southwestern United States SynonymsEchinocereusgenus Echinocereus Related words Broader terms caryophylloid dicot genus Parts Cactaceae Part of hedgehog cereusrainbow cactus WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
