coltsfoot : Idioms & Phrases
alpine coltsfoot
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noun rhizomatous herb with purple-red flowers suitable for groundcover; sometimes placed in genus Tussilago
Tussilago alpina; Homogyne alpina.
WordNet
Butterbur coltsfoot
(Bot.) , a European plant (Petasites vulgaris ).
Webster 1913
Sweet coltsfoot
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noun American sweet-scented herb
Petasites sagitattus.
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noun European herb with vanilla-scented white-pink flowers
winter heliotrope; Petasites fragrans.
WordNet
(Bot.) , a kind of butterbur (Petasites sagittata ) found in Western North America.