Helianthus porteri
| Confederate daisy | |
|---|---|
 | |
| Helianthus porteri on Stone Mtn. | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Helianthus |
| Species: | H. porteri |
| Binomial name | |
| Helianthus porteri (A.Gray) Pruski 1998 not (A.Gray) Heiser 1978 (1978 name not validly published) | |
| Synonyms[1] | |
| |
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
- ↑ "Helianthus porteri". Natural Resources Conservation Service PLANTS Database. USDA. 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
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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
This article is issued from Wikipedia - version of the 9/22/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.