Carex deweyana

Carex deweyana grows in dense tufts, with relatively wide( .6 to 4.2 mm) leaves produced on shorter stalks near the base.{{cite web |title=Carex deweyana (Dewey's Sedge): Minnesota Wildflowers |url=https://www.minnesotawildflowers.info/grass-sedge-rush/deweys-sedge |website=www.minnesotawildflowers.info |publisher=Minnesota Wildflowers |access-date=2 December 2021 |language=en}} Culms bearing the flowering spikes are longer, up to 100 cm long. These stalks fall outwards as the fruit matures.

Carex deweyana is native to central and northern North America. Populations to the southern part of the North American range are confined to mountainous areas.{{cite book |last1=Johnston |first1=Barry |title=Field guide to sedge species of the Rocky Mountain Region The genus Carex in Colorado, Wyoming, western South Dakota, western Nebraska, and western Kansas |date=2001 |publisher=United States Department of Agriculture Forest Service |location=Denver, Colorado |pages=98–99 |url=https://www.fs.fed.us/rm/pubs_other/rmrs_2001_johnston_b001.pdf |access-date=29 November 2021}}

The species has been introduced to Great Britain. It is infrequently found as a wool alien{{cite book |last1=Sell |first1=Peter |last2=Murrell |first2=Gina |title=Flora of Great Britain, Ireland, Isle of Man, and the Channel Islands |date=1996 |publisher=Cambridge University Press |location=Cambridge, Eng. |isbn=0-521-55339-3 |page=83 |url=https://books.google.com/books?id=pKGlBap0FRYC&dq=carex+deweyana+distribution+great+britain&pg=PA83 |access-date=29 November 2021}}

Carex deweyana grows in association with trees. It is found in dry to moist sites.

Golden-crowned sparrow, Fox sparrow, Lincoln's sparrow, Song sparrow, and Dark-eyed junco have been observed in association with Carex deweyana,{{cite web |last1=Sikes |first1=R. |title=The Relationship Between our Local Song Birds and the Native Plants at Kul Kah Han Gardens |url=https://nativeplantgarden.org/2009/06/03/how-song-and-hummingbirds-are-likely-to-use-these-plants-in-a-garden-setting/ |website=Kul Kah Han Native Plant Garden at H.J. Carroll Park in Chimacum, WA |access-date=2 December 2021 |language=en |date=3 June 2009}}

Carex deweyana is the host of the smut fungus Anthracoidea deweyanae, in the family Anthracoideaceae.{{cite journal |last1=Denchev |first1=Cvetomir M. |last2=Denchev |first2=Teodor T. |title=New records of smut fungi. 7 |url=https://www.ingentaconnect.com/content/mtax/mt/2012/00000121/00000001/art00050 |journal=Mycotaxon |access-date=2 December 2021 |pages=425–434 |doi=10.5248/121.425 |date=9 January 2013|volume=121 }}{{cite journal |last1=Piątek |first1=Marcin |title=The identity of Cintractia carpophila var. kenaica: reclassification of a North American smut on Carex micropoda as a distinct species of Anthracoidea |journal=IMA Fungus |publisher=Springer Nature |pages=103–109 |language=en |doi=10.5598/imafungus.2013.04.01.10 |date=June 2013|volume=4 |issue=1 |pmid=23898416 |pmc=3719198 }}

The specific name 'deweyana' commemorates Chester Dewey (1784-1867), an American naturalist.{{cite web |title=Carex deweyana (round-fruited short-scaled sedge): Go Botany |url=https://gobotany.nativeplanttrust.org/species/carex/deweyana/ |website=gobotany.nativeplanttrust.org |publisher=Native Plant Trust |access-date=28 November 2021}}

The name Carex deweyana was first published in the Annals of the Lyceum of Natural History of New York, 1: 65 in 1824 in an article written by Lewis David de Schweinitz. The type locality of this species is identified as New England. Carex deweyana belongs to Carex sect. Deweyanae.

Carex deweyana contains the following varieties:

• Carex deweyana deweyana
• Carex deweyana collectanea

Carex deweyana has been successfully raised in cultivation from wild seed.{{cite web |title=Carex (deweyana) |url=https://npn.rngr.net/npn/renderNPNProtocolDetails?selectedProtocolIds=cyperaceae-carex-70 |website=Native Plant Network — Reforestation, Nurseries and Genetics Resources |publisher=US Department of Agriculture, Forest Service |access-date=2 December 2021}}{{cite book |title=Native Seed Production Manual for the Pacific Northwest |publisher=USDA NRCS Corvallis Plant Materials Center (PMC) |pages=24–25 |url=https://www.nrcs.usda.gov/Internet/FSE_PLANTMATERIALS/publications/orpmcpu12767.pdf}} It is recommended for use in landscaping.{{cite web |last1=Jinn |first1=Kevin |title=The Traditional Lawn Needs to Go! Here's what to Try Instead |url=https://carletonlandscaping.ca/articles/the-traditional-lawn-needs-to-go-heres-what-to-try-instead.shtml |website=Carleton Landscaping |access-date=2 December 2021 |language=en}}{{cite web |title=Dewey's sedge: Carex deweyana - Native Plant Guide |url=https://green2.kingcounty.gov/gonative/Plant.aspx?Act=view&PlantID=114 |website=Native Plant Guide |publisher=King County |access-date=2 December 2021}}{{cite web |title=Dewey Sedge, Carex deweyana |url=https://calscape.org/Carex-deweyana-() |website=Calscape |publisher=California Native Plant Society |access-date=2 December 2021}}

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deweyana

Category:Plants described in 1824

Category:Flora of Northern America

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