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Carex schweinitzii Dewey, ex Schwein.
SCHWEINITZS SEDGE
Life   Plantae   Monocotyledoneae   Cyperaceae   Carex


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Carex schweinitzii Dewey ex Schwein.
Schweinitz's sedge

Image of Carex schweinitzii

General Information
Symbol: CASC9
Group: Monocot
Family: Cyperaceae
Duration: Perennial
Growth Habit : Graminoid
Native Status : CAN   N
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   

Images

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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: 437. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

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Synonyms

Classification

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 schweinitzii Dewey ex Schwein. – Schweinitz's sedge

Subordinate Taxa

This plant has no children

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.
Connecticut Schweinitz's sedge Endangered
Massachusetts Schweinitz's sedge Endangered
New York Schweinitz' sedge Threatened
North Carolina Schweinitz's sedge Endangered
Pennsylvania Schweinitz's sedge Endangered
Rhode Island Schweinitz's sedge Historical
Wisconsin Schweinitz's sedge Endangered

Wetland Status

Interpreting Wetland Status

North America
Atlantic and Gulf Coastal Plain OBL
Eastern Mountains and Piedmont OBL
Midwest OBL
Northcentral & Northeast OBL

Related Links

More Accounts and Images
Flora of North America (CASC9)
Integrated Taxonomic Information System (CASC9)
University of Wisconsin - Stevens Point Freckmann Herbarium (CASC9)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Cover

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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FNA Vol. 23 Page 502, 508, 509 , 510 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 23 | Cyperaceae | Carex

387. Carex schweinitzii Dewey ex Schweinitz, Ann. Lyceum Nat. Hist. New York. 1: 71. 1824.

Carex de Schweinitz

Plants extensively colonial; rhizomes long. Culms trigonous in cross section, 18—65 cm, smooth distally. Leaves: basal sheaths pale brown; ligules as wide to wider than long; blades pale to mid green, flat to W-shaped, 4—11 mm wide, glabrous. Inflorescences 8—24 cm; proximal bract 11—37 cm, exceeding inflorescence; proximal 2—4 spikes pistillate, erect or often the proximal ascending to spreading; terminal 1(—2) spikes staminate. Pistillate scales lanceolate-acuminate, 2.4—6.9 × 0.3—0.9 mm, shorter than or the proximal longer than perigynia, margins serrulate-ciliate, apex with prominent scabrous awn. Staminate scales acute to acuminate, smooth except at tip. Perigynia ascending, 7—11-veined, narrowly elliptic, 4.2—7 × 1.3—1.8 mm, apex tapered; beak 1.4—2.4 mm, bidentulate, smooth, teeth straight, 0.2—0.5 mm. Stigmas 3. Achenes pale brown, trigonous, smooth.

Fruiting Jun—Jul. Shallow cold streams, springheads, seeps, margins of fens, and seepy stream, pond, and lakeshores in open or lightly shaded sites, in highly calcareous soils; 100—600 m; Ont.; Conn., Mass., Mich., Mo., N.Y., Pa., Vt., Va., Wis.

Carex schweinitzii is very local and uncommon but often forms large colonies where present. It hybridizes occasionally with C. hystericina. The single, old Missouri collection (G. Yatskievych 1999+) seems so far disjunct as to suggest that there may have been a label mixup.

Updated: 2019-09-15 14:09:37 gmt
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