Synonym:  Senecio aureus  L.

              

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Plants of swamps, stream banks or damp clearings; sometimes in full sun.  Flowers  May to June.  Native..

Perennial.  Rhizomatous.  Typical height is 2 to 3 feet.

Inflorescences are flat-topped. Branches are ascending, each bearing relatively few flower heads.

Flower heads are radiateRay florets are yellow, pistillate and fertile.  Disc florets are bisexual and fertile, the corollas yellow. Involucral bracts are more or less equal in length, often partly purple-tinged.

Basal leaves are ovate to nearly round in outline, with heart-shaped bases, and toothed margins; petioles are long , The first basal leaves appear early in season, before flowering.  Stem leaves are alternate, lance-shaped, deeply lobed, gradually becoming smaller upwards.

 

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Similar species:  Packera obovata

 

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