butterbur(redirected from butterburs)
Also found in: Thesaurus, Medical.
Any of several perennial herbs of the genus Petasites in the composite family, native to northern temperate regions and having large basal leaves and dense clusters of usually whitish or purplish flower heads.
(Plants) a plant of the Eurasian genus Petasites with fragrant whitish or purple flowers, woolly stems, and leaves formerly used to wrap butter: family Asteraceae (composites)
Switch to new thesaurus
|Noun||1.||butterbur - small Eurasian herb having broad leaves and lilac-pink rayless flowers; found in moist areas|
genus Petasites, Petasites - genus of rhizomatous herbs of north temperate regions: butterbur; sweet coltsfoot