Hypericum erythreae
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Hypericaceae
Genus: Hypericum
Section: H. sect. Trigynobrathys
Subsection: H. subsect. Connatum
Species:
H. erythreae
Binomial name
Hypericum erythreae
(Spach) Steud.
Synonyms[1]
  • Brathys erythreae Spach
  • Hypericum acutifolium Elliott
  • Hypericum denticulatum var. acutifolium (Elliott) S.F.Blake
  • Hypericum denticulatum subsp. acutifolium (Elliott) N.Robson
  • Hypericum virgatum var. acutifolium (Elliott) J.M.Coult.

Hypericum erythreae, the Georgia St. John's-wort, sparse-leaved St. John's-wort, or grit St. Johnswort, is a species of flowering plant in the St. John's wort family, Hypericaceae.[1][2][3] It is native to the southeastern United States in seepage bogs and roadside ditches.[3] Its name grit St. Johnswort comes from its limited distribution, within the Altamaha Grit region of the Georgia coastal plain.[3]

According to "Hypericum Online", it is found from Maryland to southern Illinois, south to Florida and Louisiana,[4] though this may be in error, as many other sources list it as occurring only in Georgia and South Carolina.[1][2][3][5] Kew's Plants of the World Online notes that it may be extinct in South Carolina.[1]

Georgia St. John's wort was first formally described as Brathys erythraeae in 1836 by Édouard Spach. In 1840, Ernst Gottlieb von Steudel moved it to the genus Hypericum.[6][5]

References

  1. 1 2 3 4 "Hypericum erythreae (Spach) Steud". Plants of the World Online. Royal Botanical Gardens Kew. Retrieved 14 January 2019.
  2. 1 2 USDA, NRCS (n.d.). "Hypericum erythreae". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 14 January 2019.
  3. 1 2 3 4 Weakley, Alan S. (2018), Flora of the Southern and Mid-Atlantic States, working draft of 20 August 2018, University of North Carolina Herbarium, North Carolina Botanical Garden, University of North Carolina at Chapel Hill
  4. ↑ "Hypericum erythreae Descriptions". hypericum.myspecies.info. Retrieved 14 January 2019.
  5. 1 2 Robson, Norman K. B. (2015). "Hypericum erythreae". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 6. New York and Oxford: Oxford University Press. Retrieved 14 January 2019 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  6. ↑ "Hypericum erythreae (Spach) Steud". ipni.org. International Plant Names Index. Retrieved 14 January 2019.


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