Acocanthera aco·cant·hera uncommon noun 1. small genus of trees and shrubs containing strongly toxic cardiac glycosides; Arabia to Africa Synonymsgenus AcocantheraAcokantheragenus Acokanthera Related words Word family Acocanthera oblongifoliaAcocanthera oppositifoliaAcocanthera spectabilisAcocanthera venenata Broader terms dicot genus Parts Apocynaceae Part of winter sweetbushman's poison WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.