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Noun: butterbur  'bú-tu(r),bur
  1. Small Eurasian herb having broad leaves and lilac-pink rayless flowers; found in moist areas
    - bog rhubarb, Petasites hybridus, Petasites vulgaris

Derived forms: butterburs

Type of: herb, herbaceous plant

Part of: genus Petasites, Petasites

Encyclopedia: Butterbur