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Carex obnupta

Carex obnupta L.H. Bailey

Slough Sedge

Cyperaceae (Sedge Family)

Synonym(s): Carex magnifica

USDA Symbol: caob3

USDA Native Status: L48 (N), CAN (N)

Slough Sedge is a member of the sedge family (family Cyperaceae). Sedges are herbs of wet sites, often grass-like, with stems commonly 3-sided.
Flowers: bisexual or unisexual, radially symmetrical, nestled in the axil of a bract, aggregated into smal

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Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Root Type: Fibrous
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Shape: Linear
Leaf Venation: Parallel
Breeding System: Flowers Unisexual , Monoecious
Inflorescence: Terminal
Fruit Type: Achene
Size Notes: Up to about 4 feet tall.
Leaf: Green

Bloom Information

Bloom Color: White , Green , Brown
Bloom Time: Apr , May , Jun , Jul , Aug
Bloom Notes: Perianth absent. Bloom time refers to fruiting period for Carex spp.

Distribution

USA: CA , OR , WA
Canada: BC

Growing Conditions

Water Use: High
Light Requirement: Part Shade
CaCO3 Tolerance: Medium

Benefit

Use Other: Indigenous people cultivated rhizomes for use in basketry.
Interesting Foliage: yes

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

View propagation protocol from Native Plants Network.

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:			OBL							OBL

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Santa Barbara Botanic Garden - Santa Barbara, CA
Native Seed Network - Corvallis, OR

Bibliography

Bibref 1218 - Tending the Wild: Native American Knowledge and the Management of California's Natural Resources (2006) Anderson, M. Kat

Search More Titles in Bibliography

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Carex obnupta in USDA Plants
FNA: Find Carex obnupta in the Flora of North America (if available)
Google: Search Google for Carex obnupta

Metadata

Record Modified: 2022-10-25
Research By: TWC Staff

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