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Eleocharis obtusa (Blunt spikerush) | NPIN

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Eleocharis obtusa (Blunt spikerush)
San Antonio River Authority

Eleocharis obtusa

Eleocharis obtusa (Willd.) Schult.

Blunt spikerush

Cyperaceae (Sedge Family)

Synonym(s): Eleocharis obtusa var. ellipsoidalis, Eleocharis obtusa var. gigantea, Eleocharis obtusa var. jejuna, Eleocharis obtusa var. obtusa, Eleocharis obtusa var. peasei, Eleocharis ovata var. obtusa, Scirpus obtusus

USDA Symbol: ELOB2

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


Plant Characteristics

Duration: Annual
Habit: Grass/Grass-like
Root Type: Fibrous
Leaf Arrangement: Alternate
Leaf Venation: Parallel
Inflorescence: Spikelet , Terminal
Leaf: Dark Green
Size Class: 0-1 ft. , 1-3 ft.

Bloom Information

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


USA: AL , AR , CA , CO , CT , DC , DE , FL , GA , HI , IA , ID , IL , IN , KY , LA , MA , MD , ME , MI , MN , MO , MS , NC , NE , NH , NJ , NM , NV , NY , OH , OK , OR , PA , RI , SC , SD , TN , TX , VA , VT , WA , WI , WV , WY
Canada: NB , NS , PE

Growing Conditions

Water Use: Medium
Light Requirement: Sun
CaCO3 Tolerance: Medium

Herbarium Specimen(s)

NPSOT 0639 Collected Nov 1, 1993 in Bexar County by Mike Fox

1 specimen(s) available in the Digital Herbarium

Recommended Species Lists

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Additional resources

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


Record Modified: 2012-07-02
Research By: TWC Staff

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