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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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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

 

From the Image Gallery

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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:AGCPAKAWCBEMPGPHIMWNCNEWMVE
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

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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