Definition of golden ragwort in US English:

golden ragwort

noun

  • A perennial ragwort of the eastern United States, Packera aurea (family Asteraceae (Compositae)), having bright yellow petals and used medicinally for a wide variety of complaints; also called golden groundsel, life root, squaw-weed.

Origin

Mid 19th century; earliest use found in William Darlington (1782–1863).