Native Plants

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Cressler, Alan

Eleocharis quadrangulata

Eleocharis quadrangulata (Michx.) Roem. & Schult.

Squarestem Spikerush

Cyperaceae (Sedge Family)

Synonym(s): Eleocharis quadrangulata var. crassior, Scirpus quadrangulatus

USDA Symbol: ELQU

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

From the Image Gallery

8 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Root Type: Fibrous
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Venation: Parallel
Inflorescence: Spikelet
Fruit Type: Achene
Size Notes: Up to about 3-1/2 feet tall.
Fruit: Pale green to yellow, or brown to maroon

Bloom Information

Bloom Color: Not Applicable
Bloom Time: Jan , Feb , Jun , Jul , Aug , Sep , Oct , Nov , Dec
Bloom Notes: Perianth absent. Bloom time denotes fruiting period for Eleocharis spp.

Distribution

USA: AL , AR , CA , CT , DC , DE , FL , GA , IL , IN , KS , KY , LA , MA , MD , MI , MO , MS , NC , NJ , NY , OH , OK , OR , PA , SC , TN , TX , VA , WI , WV
Canada: PE

Growing Conditions

Water Use: High
Light Requirement: Sun
CaCO3 Tolerance: Low

National Wetland Indicator Status

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

This information is derived from: U.S. Army Corps of Engineers. (2023). 2022 National Wetland Plant List, version 3.6. U.S. Army Engineer Research and Development Center, Vicksburg, MS. https://wetland-plants.usace.army.mil/. 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:

Lady Bird Johnson Wildflower Center - Austin, TX

Wildflower Center Seed Bank

LBJWC-1180 Collected 2008-07-01 in Montgomery County by Lady Bird Johnson Wildflower Center

1 collection(s) available in the Wildflower Center Seed Bank

Web Reference

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

Metadata

Record Modified: 2023-02-08
Research By: TWC Staff

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