| Chrysogonum virginianum | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Chrysogonum |
| Species: | C. virginianum
|
| Binomial name | |
| Chrysogonum virginianum | |
| Synonyms[1] | |
| |
Chrysogonum virginianum, the golden-knee,[2] green and gold,[3] 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.[4][5]
The species is sometimes grown as a perennial ornamental because of its showy flowers. It is usually propagated by root cuttings.[6]
- Varieties[7]
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.[8]
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Leaf closeup -
A picture of Chrysogonum virginianum var. australe
- ^ The Plant List, Chrysogonum virginianum L.
- ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
- ^ NRCS. "Chrysogonum virginianum". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 17 January 2016.
- ^ Flora of North America, Chrysogonum Linnaeus
- ^ Biota of North America Program 2014 county distribution map
- ^ Pink, A. (2004). Gardening for the Million. Project Gutenberg Literary Archive Foundation.
- ^ 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. doi:10.21273/HORTSCI13739-18. ISSN 0018-5345.
- ^ Flora of North America, Green and gold, Chrysogonum virginianum Linnaeus