Eleocharis montevidensis Kunth
Sand Spikerush, Spike Rush
Cyperaceae (Sedge Family)
Synonym(s): Eleocharis arenicola, Eleocharis palmeri
USDA Symbol: ELMO2
The graceful, hairlike leaves of this spikerush are seen almost anywhere there are low-lying wet areas in full sun. Growing in dense mats, it can cover many meters with its delicate foliage and dainty, cone-like flowerheads.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Root Type: Fibrous
Leaf Arrangement: Alternate
Leaf Venation: Parallel
Fruit Type: Achene
Size Notes: Up to about 20 inches tall.
Leaf: bright yellowish green
Flower: Flowers tiny.
Fruit: Yellow to brown, tiny.
Bloom InformationBloom Color: White , Red , Green , Brown
Bloom Time: Mar , Apr , May , Jun , Jul , Aug , Sep , Oct
DistributionUSA: AL , AZ , CA , CO , FL , GA , KS , LA , MS , NC , NM , OK , SC , TX
Native Distribution: North America south to South America
Native Habitat: Moist, low-lying areas
Growing ConditionsWater Use: High
Light Requirement: Sun
Soil Moisture: Moist , Wet
Soil pH: Alkaline (pH>7.2) , Acidic (pH<6.8) , Circumneutral (pH 6.8-7.2)
Drought Tolerance: Low
Soil Description: Acidic to alkaline both okay, as long as there is sufficient moisture. Can tolerate some brackishness.
Conditions Comments: In moist to marshy, seasonally flooded areas in full sun.
BenefitUse Wildlife: All parts eaten by many species of waterfowl and shore birds.
Use Other: Good as a lawn replacement for low, wet areas.
PropagationPropagation Material: Root Division
National Wetland Indicator Status
From the National Organizations DirectoryAccording 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
Wildflower Center Seed BankLBJWC-1036 Collected 2007-06-06 in Montgomery County by Lady Bird Johnson Wildflower Center
BibliographyBibref 1620 - Gardening with Native Plants of the South (Reprint Edition) (2009) Wasowski, S. with A. Wasowski
Search More Titles in Bibliography
Web ReferenceWebref 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 resourcesUSDA: Find Eleocharis montevidensis in USDA Plants
FNA: Find Eleocharis montevidensis in the Flora of North America (if available)
Google: Search Google for Eleocharis montevidensis
MetadataRecord Modified: 2023-02-07
Research By: TWC Staff