Eleocharis quadrangulata
square-stem spike-rush, squarestem spikesedge, squarestem spikerush
Family
Cyperaceae
Leaf Arrangement
alternate
Leaf Type
simple
Leaf Shape
linear
Growth Form
graminoid, emergent aquatic, aquatic
Flower Color
inconspicuous
Flower Month
May - November
Height (meters)
0.5 - 1.0
Milky Sap
No
Armed/Unarmed
Unarmed
Origin
native
Lifespan
perennial
Growing Season
Warm season
Wetland Class
OBL
Wetland Coefficient of Conservatism
7
Prairie Coefficient of Conservatism
3
Field Characters
Sharply 4-angled, non-septate culm. It is also capable of growing to a height of over 1 m, quite tall for spikerush. Stem without nodes or chambers.
Cultural Information
No treatment is required for germination (Steffen 1997).
Natural History
Found growing in mud throughout most of eastern United States.
Habitat
Pools and marshes, shallow water and muddy shorelines.