Biology:Chrysogonum virginianum

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Short description: Species of flowering plant

Chrysogonum virginianum
Green and Gold Chrysogonum virginianum Flower 3008.jpg
Scientific classification edit
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 australe Alexander ex Small, syn of var. australe
  • Diotostephus repens Cass., syn of var. brevistolon

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]

  • Leaf closeup

  • A picture of Chrysogonum virginianum var. australe

References

  1. ↑ The Plant List, Chrysogonum virginianum L.
  2. ↑ (xls) BSBI List 2007, Botanical Society of Britain and Ireland, https://bsbi.org/download/3542/, retrieved 2014-10-17 
  3. ↑ "Chrysogonum virginianum". Natural Resources Conservation Service PLANTS Database. USDA. https://plants.usda.gov/core/profile?symbol=CHVI5. Retrieved 17 January 2016. 
  4. ↑ Flora of North America, Chrysogonum Linnaeus
  5. ↑ Biota of North America Program 2014 county distribution map
  6. ↑ Pink, A. (2004). Gardening for the Million. Project Gutenberg Literary Archive Foundation. https://www.gutenberg.org/ebooks/11892. 
  7. ↑ 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. https://journals.ashs.org/view/journals/hortsci/54/2/article-p395.xml. 
  8. ↑ Flora of North America, Green and gold, Chrysogonum virginianum Linnaeus

External links

Wikidata ☰ Q5114830 entry




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