Echinocereus ec·hi·no·cereus uncommon noun 1. large genus of low-growing shrubby ribbed cacti of Mexico and southwestern United States Synonymsgenus 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.
