Carex debilis

Carex debilis, also known as white-edge sedge, Rudge's white-edge sedge,^[2] and flexuous white-edge sedge,^[3] is a species of flowering plant in the sedge family, Cyperaceae. It is native to the eastern North America, where it is found in eastern Canada, the northeastern and midwestern United States, and southward in the Appalachian Mountains.^[4]

Carex debilis
C. d. var. rudgei
Conservation status
Least Concern  (IUCN 3.1)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Clade:	Commelinids
Order:	Poales
Family:	Cyperaceae
Genus:	Carex
Species:	C. debilis
Binomial name
Carex debilis Michx., 1803
Synonyms[1]
Carex tenuis Rudge Carex allegheniensis Mack. Carex flexuosa Muhl. ex Willd.

Carex debilis is a clumping perennial. The variety Carex debilis var. rudgei has smaller perigynia that are broadest near the middle. ^[4][5][6]

Distribution and habitat

The natural habitat of Carex debilis is upland forests, rock outcrops, and Appalachian balds.^[3] It is typically found in areas with acidic soil.^[5][1]

References

1. "Carex debilis Michx". Kew Science – Plants of the World Online. Retrieved 17 January 2023.
2. 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
3. Alan Weakley (2015). "Flora of the Southern and Mid-Atlantic States".
4. USDA, NRCS (n.d.). "​Carex debilis var. rudgei​". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 6 January 2019.
5. Carex debilis var. rudgei Flora of North America
6. Brouillet L, Desmet P, Coursol F, Meades SJ, Favreau M, Anions M, Bélisle P, Gendreau C, Shorthouse D, et al. (2010). "Carex debilis var. rudgei L.H. Bailey". Database of Vascular Plants of Canada (VASCAN). Retrieved 8 January 2019.