Petasites pe·ta·si·tes uncommon noun 1. genus of rhizomatous herbs of north temperate regions: butterbur; sweet coltsfoot Synonymsgenus Petasites Related words Word family Petasites fragransPetasites hybridusPetasites sagitattusPetasites vulgaris Broader terms asterid dicot genus Parts Compositae Part of butterburwinter heliotropesweet coltsfoot WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
