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Brundage, Stephanie

Eleocharis rostellata

Eleocharis rostellata (Torr.) Torr.

Beaked Spikerush, Leap Frog Spike Rush

Cyperaceae (Sedge Family)

Synonym(s): Eleocharis rostellata var. congdonii, Eleocharis rostellata var. occidentalis, Scirpus rostellatus

USDA Symbol: ELRO2

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

Grass-like perennial with stems that are 20-100 cm long; 1-2 mm wide and clustered on a rootstock.

From the Image Gallery

3 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Root Type: Aerial , Fibrous
Leaf Retention: Evergreen
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Shape: Linear
Leaf Venation: Parallel
Inflorescence: Spikelet
Fruit Type: Achene
Size Notes: Up to about 3 feet tall.
Flower: Flowers 3-5mm long

Bloom Information

Bloom Color: Green , Brown
Bloom Time: May , Jun , Jul , Aug , Sep , Oct
Bloom Notes: Perianth absent. Bloom time denotes fruiting period for Eleocharis spp.

Distribution

USA: AL , AZ , CA , CO , CT , DE , FL , GA , ID , IL , IN , KS , MA , MD , ME , MI , MN , MT , NC , ND , NE , NJ , NM , NV , NY , OH , OK , OR , PA , RI , SC , SD , TX , UT , VA , WA , WI , WV , WY
Canada: NS

Growing Conditions

Water Use: High
Light Requirement: Part Shade
Soil Moisture: Wet
CaCO3 Tolerance: Medium
Soil Description: Beaked spikerush occurs in saline or alkaline wetlands

Benefit

Use Wildlife: Waterfowl eat the stems, roots, and achenes of spikerush. Spikerush palatability is low for livestock and wildlife.
Interesting Foliage: yes
Deer Resistant: High

National Wetland Indicator Status

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

Lady Bird Johnson Wildflower Center - Austin, TX
Nueces River Authority - Uvalde, TX

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

Metadata

Record Modified: 2023-02-08
Research By: DEW, JSC, ADA, TMH

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