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Carex flaccosperma Dewey
THINFRUIT SEDGE
Life   Plantae   Monocotyledoneae   Cyperaceae   Carex

Carex flaccosperma, Thinfruit sedge
© Copyright Cody Parmer 2010 · 1
Carex flaccosperma, Thinfruit sedge

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Carex flaccosperma, Thinfruit sedge
© Copyright Cody Parmer 2010 · 1
Carex flaccosperma, Thinfruit sedge
Carex flaccosperma, Thinfruit sedge
© Copyright Cody Parmer 2010 · 1
Carex flaccosperma, Thinfruit sedge

Carex flaccosperma, Thinfruit sedge
© Copyright Cody Parmer 2010 · 1
Carex flaccosperma, Thinfruit sedge
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Following modified from Plants Database, United States Department of Agriculture
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https://plants.usda.gov/java/profile?symbol=CAFL3 ---> http://plants.usda.gov/core/profile?symbol=CAFL3
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Carex flaccosperma Dewey
thinfruit sedge

Image of Carex flaccosperma

General Information
Symbol: CAFL3
Group: Monocot
Family: Cyperaceae
Duration: Perennial
Growth Habit : Graminoid
Native Status : L48   N
Characteristics
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

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

Robert H. Mohlenbrock. USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species . Midwest National Technical Center, Lincoln. Provided by USDA NRCS Wetland Science Institute (WSI). Usage Requirements .

Doug Goldman. Provided by USDA NRCS National Plants Data Team (NPDT) . United States, NC, Guilford Co., Greensboro. May 10, 2011. Usage Requirements .

Doug Goldman. Provided by USDA NRCS National Plants Data Team (NPDT) . United States, NC, Guilford Co., Greensboro. May 10, 2011. Usage Requirements .

Doug Goldman. Provided by USDA NRCS National Plants Data Team (NPDT) . United States, NC, Guilford Co., Greensboro. May 10, 2011. Usage Requirements .

Doug Goldman. Provided by USDA NRCS National Plants Data Team (NPDT) . United States, NC, Guilford Co., Greensboro. May 10, 2011. 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: 407. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. Provided by NRCS National Wetland Team . Usage Requirements .

slideshow

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 flaccosperma Dewey – thinfruit sedge

Subordinate Taxa

This plant has no children

Legal Status

Wetland Status

Interpreting Wetland Status

North America
Atlantic and Gulf Coastal Plain FACW
Eastern Mountains and Piedmont FAC
Great Plains FACW
Midwest FACW

Related Links

More Accounts and Images
Flora of North America (CAFL3)
Integrated Taxonomic Information System (CAFL3)
Kemper Center for Home Gardening (CAFL3)
USF Atlas of Florida Vascular Plants (CAFL3)
University of Tennessee Herbarium (Distribution) (CAFL3)

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 442, 449, 457 , 458 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 23 | Cyperaceae | Carex

298. Carex flaccosperma Dewey, Amer. J. Sci. Arts, ser. 2. 2: 245. 1846.

Plants densely cespitose; rhizome internodes 1.2—2.8 mm thick. Culms yellow-brown at base, 10—60(—75) cm. Leaves: sheaths glabrous; blades glaucous, widest blades 6.3—14.7 mm wide, smooth abaxially or sparsely antrorsely scaberulous on main veins. Inflorescences 0.40—1 of culm height; peduncles of lateral spikes smooth; peduncles of terminal spikes 0.7—20(—51) mm, barely to much exceeding lateral spikes; proximal bract sheath loose, abaxially glabrous, sheath front apex truncate; ligules (3—)4.7—9 mm; distal bract slightly shorter than to much exceeding terminal spike. Spikes 4—6, distal 2—4 overlapping; lateral spikes pistillate, with 12—39 perigynia, 11—41 × (5—)5.7—8(—9.6) mm, ratio of spike length (in mm) to flower number = (0.86—)1—1.3(—1.6); terminal spikes 6—34 × 1—3.2 mm. Pistillate scales 1.9—2.8(—3.1) × (1.5—)1.7—2.4 mm, margins whitish, entire, apex awnless or with awn to 0.6(—1.6) mm. Staminate scales 3.8—5.3 ´ 1—1.8 mm. Anthers 1.6—2 mm. Perigynia spirally imbricate, 44—57-veined, unwrinkled, oblong-ovoid, (4—)4.2—5.5(—6) × (1.5—)1.7—2.4 mm, (2—)2.2—2.8(—3.1) times as long as wide, obtusely triangular in cross section, dull, base very gradually tapered, apex gradually tapered; beak absent or straight, 0—0.3 mm. Achenes obovoid, 2.5—3.4 × (1.3—)1.4—1.6(—1.7) mm, 0.37—0.5 times as long as perigynia, loosely enveloped by perigynia; stipe straight, (0.2—)0.3—0.5(—0.6) mm; beak straight or bent less than 30°, (0.1—)0.2—0.4(—0.5) mm.

Fruiting spring. Wet-mesic deciduous forests, usually in acidic loams low in calcium, on flood plains and in swamps; 0—200 m; Ala., Ark., Fla., Ga., Kans., Ky., La., Miss., Mo., N.C., Okla., S.C., Tenn., Tex., Va.

Carex flaccosperma is frequent, especially on the Coastal Plain west of Alabama. It grows frequently with C. caroliniana, C. corrugata, and C. crus-corvi and occurs occasionally with C. glaucodea. When C. flaccosperma and C. glaucodea co-occur, C. flaccosperma usually inhabits slightly wetter soils than C. glaucodea. Natural hybrids between C. flaccosperma and C. glaucodea form rarely and are sterile (R. F. C. Naczi 1991). Hybrids have been collected in Arkansas, Louisiana, Missouri, and Oklahoma.

Updated: 2019-09-21 13:01:37 gmt
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