About Chrysogonum virginianum L.
Chrysogonum virginianum L., commonly called golden-knee, green and gold, or goldenstar, is a North American plant species belonging to the Asteraceae family. It is native to the eastern United States, where its natural range extends from New York State and Rhode Island, south to Louisiana and the Florida Panhandle. This species is sometimes cultivated as a perennial ornamental plant, valued for its showy flowers, and is typically propagated by root cuttings. There are three formally recognized botanical varieties found in wild populations. Chrysogonum virginianum var. australe (Alexander ex Small) H.E.Ahles occurs in Florida, Georgia, Alabama, Mississippi, and Louisiana. Chrysogonum virginianum var. brevistolon G.L.Nesom is found in Georgia, Alabama, the Carolinas, Tennessee, and Kentucky. Chrysogonum virginianum var. virginianum ranges from New York to South Carolina, and west to Kentucky and Ohio. Chrysogonum virginianum is a low-growing herb that reaches up to 50 cm (20 inches) in height, and spreads via rhizomes. It produces yellow flower heads, either singly or in pairs, that contain both ray florets and disc florets.
