genus Rudbeckia ge·nus·rud·beckia uncommon noun 1. North American perennial herbs with showy cone-shaped flower heads SynonymsRudbeckiagenus Rudbeckia Related words Broader terms asterid dicot genus Parts Compositae Part of coneflowerblack-eyed Susancutleaved coneflowergolden glow WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
