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Eleocharis palustris (L.) Roemer & J.A. Schultes
Common spikerush, Common spike-rush, Creeping spikesedge
Synonyms: Eleocharis mamillata, Eleocharis smallii
USDA Symbol: elpa3
USDA Native Status: Native to U.S.
The culms of this grass-like, clumped perennial are 4-40 in. tall and are covered, on the lower part, with a reddish-purple sheath. The small, terminal, cylindrical spike is many-flowered and light green to dark brown. This is a rhizomatous plant that will eventually fill in large areas.
Bloom InformationBloom Color:
Not Applicable Bloom Time:
Jun , Jul , Aug Bloom Notes: Perianth
absent. Bloom time denotes fruiting period for
AK , AL , AR , AZ , CA , CO , CT , DC , DE , IA , ID , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MS , MT , NC , ND , NE , NH , NJ , NM , NV , NY , OH , OK , OR , PA , RI , SC , SD , TN , TX , UT , VA , VT , WA , WI , WV , WY Canada: NB
, PE Native Distribution:
Temperate & cold-temperate regions of the Northern Hemisphere Native Habitat:
Wet places from sea level to moderate mt. elevations USDA Native Status: L48(N), AK(N),
HI (I?), CAN(N),
Growing ConditionsWater Use: High
Light Requirement: Part Shade
Soil Moisture: Wet
CaCO3 Tolerance: Medium
Soil Description: Moist to wet, often alkaline, soils.
Conditions Comments: Excellent for shore stabilization. This is a complex of great variability, with numerous, fairly unsuccessful attempts at subdivision. *In the East, E. smallii is sometimes used and includes the plants of E. palustris.
PropagationDescription: Not Available
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Native Seed Network
- Corvallis, OR
Recommended Species Lists
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Record Modified: 2012-07-06
Research By: TWC Staff