Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun butterbur

1 sense of butterbur

Sense 1
butterbur, bog rhubarb, Petasites hybridus, Petasites vulgaris -- (small Eurasian herb having broad leaves and lilac-pink rayless flowers; found in moist areas)
       => herb, herbaceous plant -- (a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests)