Carex arctata

Carex arctata
	In Ontario, Canada
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Clade:	Commelinids
Order:	Poales
Family:	Cyperaceae
Genus:	Carex
Section:	Carex sect. Hymenochlaenae
Species:	C. arctata
Binomial name
	Carex arctata; Boott
Synonyms[1]
	Carex arctata var. faxonii L.H.Bailey; Carex sylvatica Dewey;

Carex arctata, known as drooping woodland sedge, is a species of sedge native to eastern North America.[2] It is sometimes called black sedge, compressed sedge, or drooping wood sedge.[3] It occurs from Manitoba to the Maritimes in Canada, south to northwestern North Carolina, and west to Minnesota.[1][4] Carex arctata grows in bogs, hardwood forests, and spruce forests.[4]

Taxonomy

Carex arctata part of the section Carex sect. Hymenochlaenae.[3] It was first formally named by Francis Boott in 1839.[5]

Carex arctata and Carex castanea (chestnut sedge, also in C. sect. Hymenochlaenae) form a hybrid known as Carex × knieskernii (Knieskern's sedge).[3][6]

Conservation

It is endangered in several states: Indiana, Ohio, and New Jersey.[2]

Close-up of pistillate spikelets
Culms are dark maroon at the base

References

"Carex arctata Boott". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 13 June 2020.
USDA, NRCS (n.d.). "Carex arctata". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 6 June 2020.
Brouillet L, Desmet P, Coursol F, Meades SJ, Favreau M, Anions M, Bélisle P, Gendreau C, Shorthouse D, et al. (2010). "Carex arctata". Database of Vascular Plants of Canada (VASCAN). Retrieved 13 June 2020.
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
"Carex arctata Boott". The Plant List. 2010. Retrieved 6 December 2014.
Brouillet L, Desmet P, Coursol F, Meades SJ, Favreau M, Anions M, Bélisle P, Gendreau C, Shorthouse D, et al. (2010). "Carex castanea". Database of Vascular Plants of Canada (VASCAN). Retrieved 13 June 2020.

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[powo-1] "Carex arctata Boott". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 13 June 2020.

[usda-2] USDA, NRCS (n.d.). "Carex arctata". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 6 June 2020.

[vascan-3] Brouillet L, Desmet P, Coursol F, Meades SJ, Favreau M, Anions M, Bélisle P, Gendreau C, Shorthouse D, et al. (2010). "Carex arctata". Database of Vascular Plants of Canada (VASCAN). Retrieved 13 June 2020.

[weakley2018-4] 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

[tpl-5] "Carex arctata Boott". The Plant List. 2010. Retrieved 6 December 2014.

[vascancxcast-6] Brouillet L, Desmet P, Coursol F, Meades SJ, Favreau M, Anions M, Bélisle P, Gendreau C, Shorthouse D, et al. (2010). "Carex castanea". Database of Vascular Plants of Canada (VASCAN). Retrieved 13 June 2020.