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|Noun||1.||genus Petasites - genus of rhizomatous herbs of north temperate regions: butterbur; sweet coltsfoot|
asterid dicot genus - genus of more or less advanced dicotyledonous herbs and some trees and shrubs
aster family, Asteraceae, Compositae, family Asteraceae, family Compositae - plants with heads composed of many florets: aster; daisy; dandelion; goldenrod; marigold; lettuces; ragweed; sunflower; thistle; zinnia
bog rhubarb, butterbur, Petasites hybridus, Petasites vulgaris - small Eurasian herb having broad leaves and lilac-pink rayless flowers; found in moist areas
Petasites fragrans, winter heliotrope, sweet coltsfoot - European herb with vanilla-scented white-pink flowers