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Noun: butterweed  'bú-tu(r),weed
  1. American ragwort with yellow flowers
    - ragwort, Senecio glabellus
  2. Any of several yellow-flowered plants of the genus Packera; often placed in genus Senecio

Derived forms: butterweeds

Type of: herb, herbaceous plant, wild flower, wildflower

Part of: genus Packera, genus Senecio, Packera, Senecio

Encyclopedia: Butterweed