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.
- Formerly called Senecio aureus..
Origin
Mid 19th century; earliest use found in William Darlington (1782–1863).