Helianthus porteri: Difference between revisions
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*''Viguiera porteri'' <small>(A.Gray) S.F.Blake</small> |
*''Viguiera porteri'' <small>(A.Gray) S.F.Blake</small> |
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'''''Helianthus porteri''''' is a species of [[Helianthus|sunflower]] known by the common names '''Porter's sunflower'''<ref>{{PLANTS|id=HEPO3|taxon=Helianthus porteri|accessdate=6 July 2015}}</ref> and '''Confederate daisy'''. It is native to the southeastern ([[Georgia (U.S. state)|Georgia]], [[Alabama]], and the [[Carolinas]]).<ref>[http://bonap.net/MapGallery/County/Helianthus%20porteri.png Biota of North America Program 2014 county distribution map]</ref> |
'''''Helianthus porteri''''' is a species of [[Helianthus|sunflower]] known by the common names '''Porter's sunflower'''<ref>{{PLANTS|id=HEPO3|taxon=Helianthus porteri|accessdate=6 July 2015}}</ref> and '''Confederate daisy'''. It is native to the southeastern United States ([[Georgia (U.S. state)|Georgia]], [[Alabama]], and the [[Carolinas]]).<ref>[http://bonap.net/MapGallery/County/Helianthus%20porteri.png Biota of North America Program 2014 county distribution map]</ref> |
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''Helianthus porteri'' grows on granite hillsides. It is an annual herb up to 100 cm (40 inches) tall. One plant usually produces 5 or more [[Head (botany)|flower heads]], each containing 7 or 8 yellow [[ray florets]] surrounding 30 or more yellow [[disc floret]]s.<ref>[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066895 Flora of North America, ''Helianthus porteri'' (A. Gray) Pruski, 1998. Confederate daisy ]</ref><ref>[http://www.biodiversitylibrary.org/item/123407#page/352/mode/1up Blake, Sydney Fay 1918. Contributions from the Gray Herbarium of Harvard University 54: 114–115], as ''Viguiera porteri''</ref> |
''Helianthus porteri'' grows on granite hillsides. It is an annual herb up to 100 cm (40 inches) tall. One plant usually produces 5 or more [[Head (botany)|flower heads]], each containing 7 or 8 yellow [[ray florets]] surrounding 30 or more yellow [[disc floret]]s.<ref>[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066895 Flora of North America, ''Helianthus porteri'' (A. Gray) Pruski, 1998. Confederate daisy ]</ref><ref>[http://www.biodiversitylibrary.org/item/123407#page/352/mode/1up Blake, Sydney Fay 1918. Contributions from the Gray Herbarium of Harvard University 54: 114–115], as ''Viguiera porteri''</ref> |
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Revision as of 16:42, 22 September 2016
| Confederate daisy | |
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| Helianthus porteri on Stone Mtn. | |
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| Species: | H. porteri
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| Helianthus porteri (A.Gray) Pruski 1998 not (A.Gray) Heiser 1978 (1978 name not validly published)
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Helianthus porteri is a species of sunflower known by the common names Porter's sunflower[2] and Confederate daisy. It is native to the southeastern United States (Georgia, Alabama, and the Carolinas).[3]
Helianthus porteri grows on granite hillsides. It is an annual herb up to 100 cm (40 inches) tall. One plant usually produces 5 or more flower heads, each containing 7 or 8 yellow ray florets surrounding 30 or more yellow disc florets.[4][5]
References
- ^ The Plant List, Helianthus porteri (A.Gray) Pruski
- ^ USDA, NRCS (n.d.). "Helianthus porteri". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 6 July 2015.
- ^ Biota of North America Program 2014 county distribution map
- ^ Flora of North America, Helianthus porteri (A. Gray) Pruski, 1998. Confederate daisy
- ^ Blake, Sydney Fay 1918. Contributions from the Gray Herbarium of Harvard University 54: 114–115, as Viguiera porteri
External links
Wikimedia Commons has media related to Helianthus porteri.
- photo of herbarium specimen at Missouri Botanical Garden, collected in Georgia in 1846, isotype of Rudbeckia porteri/Viguiera porteri/Helianthus porteri
- Scott D. Gevaert, Jennifer R. Mandel, John M. Burke, and Lisa A. Donovan. 2013. High Genetic Diversity and Low Population Structure in Porter’s Sunflower (Helianthus porteri). Journal of Heredity 2013:104(3):407–415 doi:10.1093/jhered/est009
- Plant Life of the Monastery of the Holy Spirit by Jim Allison
- Alabama Plant Atlas, Helianthus porteri
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