Carex retrorsa

Carex retrorsa
	Seedheads remain on plant into winter, providing ornamental value
	Growing in nursery flats
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Clade:	Commelinids
Order:	Poales
Family:	Cyperaceae
Genus:	Carex
Species:	C. retrorsa
Binomial name
	Carex retrorsa; Schwein.
Synonyms
	Carex lupulina var. gigantoidea Dewey; Carex retrorsa var. gigantoides Farw.; Carex retrorsa var. multispicula Lepage; Carex retrorsa var. robinsonii Fernald; Carex reversa Spreng.;

Carex retrorsa, the knotsheath sedge, deflexed bottlebrush sedge, or retrorse sedge, is a widespread species of flowering plant in the family Cyperaceae, native to southern Canada and the northern United States.^[1]^[2] Preferring wet areas and tolerant of some shade, it is available from speciality nurseries for such uses as ecological restoration projects, erosion control, and rain gardens.^[3]^[4]

References[edit]

^ ^a ^b "Carex retrorsa Schwein". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 27 September 2022.
^ Quattrocchi, Umberto (2012). CRC World Dictionary of Medicinal and Poisonous Plants: Common Names, Scientific Names, Eponyms, Synonyms, and Etymology. CRC Press. p. 816. ISBN 9781482250640.
^ Baskin, Carol C. (2003). "Propagation protocol for production of container (plug) Carex retrorsa Schwein. plants, University of Kentucky Lexington, Kentucky". Native Plant Network. US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources. Retrieved 27 September 2022.
^ "Common Name: Retrorse Sedge". nanps.org. North American Native Plant Society. 2017. Retrieved 27 September 2022.

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[POWO_324496-2-1] "Carex retrorsa Schwein". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 27 September 2022.

[2] Quattrocchi, Umberto (2012). CRC World Dictionary of Medicinal and Poisonous Plants: Common Names, Scientific Names, Eponyms, Synonyms, and Etymology. CRC Press. p. 816. ISBN 9781482250640.

[3] Baskin, Carol C. (2003). "Propagation protocol for production of container (plug) Carex retrorsa Schwein. plants, University of Kentucky Lexington, Kentucky". Native Plant Network. US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources. Retrieved 27 September 2022.

[4] "Common Name: Retrorse Sedge". nanps.org. North American Native Plant Society. 2017. Retrieved 27 September 2022.

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