Ratibida ra·ti·bida uncommon noun 1. genus of perennial wildflowers of North American plains and prairies; often cultivated for their showy flower heads Synonymsgenus Ratibida Related words Word family Ratibida columnarisRatibida columniferaRatibida tagetes Broader terms asterid dicot genus Parts Compositae Part of Mexican hatlong-head coneflowerprairie coneflower WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.