Helianthus porteri

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Confederate daisy
File:Helianthus-porteri-1.jpg
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]
  • Gymnolomia porteri (A.Gray) A.Gray
  • Heliomeris porteri (A.Gray) Cockerell
  • Rudbeckia porteri A.Gray
  • Viguiera porteri (A.Gray) S.F.Blake

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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 (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

  1. ↑ The Plant List, Helianthus porteri (A.Gray) Pruski
  2. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ Biota of North America Program 2014 county distribution map
  4. ↑ Flora of North America, Helianthus porteri (A. Gray) Pruski, 1998. Confederate daisy
  5. ↑ Blake, Sydney Fay 1918. Contributions from the Gray Herbarium of Harvard University 54: 114–115, as Viguiera porteri

External links


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