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Carex deweyana . Schwein
Life   Plantae   Monocotyledoneae   Cyperaceae   Carex

Carex deweyana
© Les Mehrhoff, 2008-2010 · 2
Carex deweyana

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Carex deweyana
© Les Mehrhoff, 2008-2010 · 1
Carex deweyana

Associates · map
FamilyScientific name @ source (records)
Pucciniaceae  Puccinia caricis @ BPI (2)

Puccinia @ BPI (1)

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Carex deweyana Schwein.
Dewey sedge

Image of Carex deweyana

General Information
Symbol: CADE9
Group: Monocot
Family: Cyperaceae
Duration: Perennial
Growth Habit : Graminoid
Native Status : AK   I?
L48   N
Data Source and Documentation
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Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   


click on a thumbnail to view an image, or see all the Carex thumbnails at the Plants Gallery

Hurd, E.G., N.L. Shaw, J. Mastrogiuseppe, L.C. Smithman, and S. Goodrich. 1998. Field guide to Intermountain sedges . General Technical Report RMS-GTR-10. USDA Forest Service, RMRS, Ogden. Provided by USDA Forest Service RMRS Boise Aquatic Sciences Lab . Usage Requirements .

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 1: 376. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .




Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Liliopsida – Monocotyledons
Subclass Commelinidae
Order Cyperales
Family Cyperaceae – Sedge family
Genus Carex L. – sedge
Species Carex deweyana Schwein. – Dewey sedge

Subordinate Taxa

The Plants Database includes the following 2 subspecies of Carex deweyana . Click below on a thumbnail map or name for subspecies profiles. Plant is native (blue) Native Plant is introduced Introduced Plant is introduced Native and Introduced Related taxa legend Distribution of <i>
Carex deweyana</i>
Schwein. var. <i>
Carex deweyana var. collectanea
roundfruit sedge Distribution of <i>
Carex deweyana</i>
Schwein. var. <i>
deweyana </i>
Carex deweyana var. deweyana
Dewey sedge

Legal Status

Threatened and Endangered Information:
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete protected plant list for that location.
New Jersey Dewey's sedge Endangered
Ohio Dewey's sedge Presumed Extirpated

Wetland Status

Interpreting Wetland Status

North America
Alaska FACU
Arid West FACU
Eastern Mountains and Piedmont FACU
Great Plains FACU
Midwest FACU
Northcentral & Northeast FACU
Western Mountains, Valleys, and Coast FAC

Related Links

More Accounts and Images
Flora of North America (CADE9)
Integrated Taxonomic Information System (CADE9)
Jepson Interchange (University of California - Berkeley) (CADE9)
Lady Bird Johnson Wildflower Center Native Plant Information Network (CADE9)
Native Plants Network (CADE9)



Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover

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Following modified from Flora of North America
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Link to Flora of North America home
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FNA Vol. 23 Page 323, 324 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 23 | Cyperaceae | Carex

86. Carex deweyana Schweinitz, Ann. Lyceum Nat. Hist. New York. 1: 65. 1824.

Plants densely cespitose. Culms 14—89(—101) cm × 0.3—1.1 mm wide, smooth or papillose. Leaves: ligule on distal leaf 0.9—2.2 mm, as long as wide; blades 0.6—4.2 mm wide, widest blade 2.4—4.2 mm wide. Inflorescences 12—56 mm; proximal internode 6—34 mm; proximal bracts 6—49 mm, awn 7—46 mm; spikes (2—)3—5, longest ones 2—5, usually gynecandrous; proximal spikes with 1—2 staminate and (5—)7—12 pistillate flowers, 5.2—11(—13) × (2.1—)3.7—6.9 mm; terminal spikes usually with 1—3(—5) staminate and (7—)9—13(—16) pistillate flowers, 6.8—13 × 3.8—8.1 mm. Pistillate scales with colorless or stramineous margins, 3—4.5 × 1.6—2.2 mm, body 2.8—4.2 mm, apex acuminate to short-awned, awn to 0.6 mm. Staminate scales with colorless or stramineous margins, 3—5.3 × 1.2—1.6 mm, apex acute to acuminate or occasionally short-awned to 0.3 mm. Anthers (1.8—)1.9—2.2 mm. Perigynia erect to ascending, green to pale brown, 0—5-veined abaxially, usually veinless adaxially, narrowly ovate, 4—4.9(—5.2) × 1.3—1.5(—1.6) mm, 2.9—3.8 times as long as wide, apex gradually tapering; beak 1.4—2.1 mm, 0.32—0.4 times as long as perigynia, margins serrulate, apex entire or bidentulate, teeth to 0.2 mm, 0—0.05 times as long as perigynia. Stigmas 1.9—2 mm. Achenes 1.8—2.2 × 1.2—1.5 mm wide, 1.3—1.8 times as long as wide.

Varieties 2 (2 in the flora): North America.

Updated: 2019-11-20 17:02:19 gmt
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