Geocarpon glabrum

Geocarpon glabrum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Caryophyllaceae
Genus: Geocarpon
Species:
G. glabrum
Binomial name
Geocarpon glabrum
(Michx.) E.E.Schill. (2022)
Synonyms
  • Alsine glabra (Michx.) A.Gray ex Chapm. (1860)
  • Alsine glabra (Michx.) A.Gray (1856)
  • Alsinopsis glabra (Michx.) Small (1903)
  • Arenaria glabra Michx. (1803)
  • Arenaria groenlandica var. glabra (Michx.) Fernald (1919)
  • Arenaria imbricata Banks ex Steud. (1840), not validly publ.
  • Minuartia glabra (Michx.) Mattf. (1921)
  • Minuartia groenlandica subsp. glabra (Michx.) Á.Löve & D.Löve (1965)
  • Mononeuria glabra (Michx.) Dillenb. & Kadereit (2014)
  • Porsildia groenlandica subsp. glabra (Michx.) Á.Löve & D.Löve (1975 publ. 1976)
  • Sabularia glabra (Michx.) Small (1933)
  • Sabulina glabra (Michx.) Small (1933)

Geocarpon glabrum, commonly called Appalachian stichwort,[1] is a species of flowering plant in the carnation family (Caryophyllaceae). It is native to the eastern United States, where it has a scattered distribution.[2]

Its natural habitat is areas of siliceous rock outcrops, which include granite, sandstone, gneiss, and schist. In the Cumberland Mountains, this species is a major component of sandstone glade communities.[3] Due to its narrow habitat requirements, this species is uncommon throughout its range.[4]

Geocarpon glabrum is a small, delicate annual. It produces white flowers in late spring and early summer.[5] It is similar to Geocarpon groenlandicum, which it was historically considered a variety of. It can be distinguished from G. groenlandicum by its taller stature, annual habit, upright and not mat-forming growth, smaller petals, and flowers in greater number per cyme.[6] In addition, G. glabrum is found in lower elevations than G. groenlandicum.[7]

References

  1. ↑ NRCS. "Minuartia glabra". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 23 January 2018.
  2. ↑ Kartesz, John T. (2014). "Minuartia glabra". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). Retrieved 23 January 2018.
  3. ↑ Cumberland Sandstone Glade and Barrens NatureServe, accessed 23 January 2018
  4. ↑ Minuartia glabra NatureServe, accessed 23 January 2018
  5. ↑ Minuartia glabra Flora of North America
  6. ↑ Alan Weakley (2015). "Flora of the Southern and Mid-Atlantic States". Archived from the original on 2018-10-06. Retrieved 2018-01-24.
  7. ↑ Minuartia glabra New England Wildflower Society
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