Carex rostrata Stokes
Beaked sedge, Swollen beaked sedge
Cyperaceae (Sedge Family)
Synonym(s): Carex rostrata var. ambigens
USDA Symbol: CARO6
This is a 1-4 ft., light green sedge with a loosely clumpy growth form. Leaves and culms arise from stolons and a short rootstock. Shiny culms are thick and spongy with grayish to reddish sheaths at the base. Culms are shorter than the uppermost leaves but the leaflike bracts are longer than the inflorescence. The topmost, staminate spikes are erect and narrow; the lower pistallate spikes are cylindrical and droop with age. Swollen beaked sedge is a perennial.
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Plant CharacteristicsDuration: Perennial
Root Type: Fibrous
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Shape: Linear
Leaf Venation: Parallel
Breeding System: Flowers Unisexual , Monoecious
Size Class: 3-6 ft.
Bloom InformationBloom Color: Not Applicable
Bloom Time: Jun , Jul , Aug
Bloom Notes: Perianth absent. Bloom time refers to fruiting period for Carex spp.
DistributionUSA: AK , ID , IL , MI , MN , MT , WA , WI
Canada: BC , NB , NL , NS , PE
Native Distribution: Greenland to AK, s. to DE, WV, TN, SD, NM & CA
Native Habitat: Stream and lake margins, swamps & wet meadows
Growing ConditionsWater Use: High
Light Requirement: Part Shade
Soil Moisture: Wet
CaCO3 Tolerance: Medium
Soil Description: Wet soil to shallow water.
Conditions Comments: Stems arising from creeping rhizomes can form a dense sod.
PropagationDescription: Not Available
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes
Find Seed or Plants
Find seed sources for this species at the Native Seed Network.
National Wetland Indicator Status
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Native Seed Network - Corvallis, OR
Additional resourcesUSDA: Find Carex rostrata in USDA Plants
FNA: Find Carex rostrata in the Flora of North America (if available)
Google: Search Google for Carex rostrata
MetadataRecord Modified: 2007-01-01
Research By: TWC Staff