genus Alternanthera ge·nu·sal·ternanthera uncommon noun 1. genus of low herbs of tropical America and Australia; includes genus Telanthera SynonymsAlternantheragenus Alternanthera Related words Broader terms caryophylloid dicot genus Parts Amaranthaceae Part of alligator weed WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
