Noun: butterbur 'bú-tu(r),bur
- Small Eurasian herb having broad leaves and lilac-pink rayless flowers; found in moist areas
"Butterbur grew abundantly along the stream bank";
- bog rhubarb, Petasites hybridus, Petasites vulgaris
Derived forms: butterburs
Type of: herb, herbaceous plant
Part of: genus Petasites, Petasites
Encyclopedia: Butterbur