Chrysogonum virginianum explained

Chrysogonum virginianum, the golden-knee, green and gold, or goldenstar, is a North American species of plants in the family Asteraceae. It is native to the eastern United States from New York State and Rhode Island south to Louisiana and the Florida Panhandle.^{[1] [2]}

The species is sometimes grown as a perennial ornamental because of its showy flowers. It is usually propagated by root cuttings.^[3]

Varieties^[4]

Formal botanical varieties of wild populations:

• Chrysogonum virginianum var. australe (Alexander ex Small) H.E.Ahles - Florida, Georgia, Alabama, Mississippi, Louisiana
• Chrysogonum virginianum var. brevistolon G.L.Nesom - Georgia, Alabama, Carolinas, Tennessee, Kentucky
• Chrysogonum virginianum var. virginianum - from New York to South Carolina, west to Kentucky + Ohio

Chrysogonum virginianum is an herb up to 50 cm (20 inches) spreading by means of rhizomes. Flower heads are produced singly or in pairs, yellow, with both ray florets and disc florets.^[5]

External links

• North Carolina State University, Chrysogonum virginianum

Notes and References

1. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=106992 Flora of North America, Chrysogonum Linnaeus
2. http://bonap.net/MapGallery/County/Chrysogonum%20virginianum.png Biota of North America Program 2014 county distribution map
3. Book: Pink, A. . Gardening for the Million. 2004 . Project Gutenberg Literary Archive Foundation.
4. Nowicki. Marcin. Schilling. Edward E.. Boggess. Sarah L.. Houston. Logan C.. Huff. Matthew L.. Staton. Margaret E.. Lampley. Jayne A.. Trigiano. Robert N.. February 2019. Development and Characterization of Genic Microsatellites for the Ornamental Plant Green and Gold (Chrysogonum virginianum). HortScience. 54. 2. 395–400. 10.21273/HORTSCI13739-18. 0018-5345. free.
5. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=220002876 Flora of North America, Green and gold, Chrysogonum virginianum Linnaeus