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Chamaesyce serpens (Matted sandmat)
Stone, Robert L.

Chamaesyce serpens

Chamaesyce serpens (Kunth) Small

Matted Sandmat, Prostrate Spurge, Creeping Spurge

Euphorbiaceae (Spurge Family)

Synonym(s): Euphorbia serpens

USDA Symbol: CHSE4

USDA Native Status: L48 (N), HI (I), PR (N), VI (N), CAN (I)


From the Image Gallery

12 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Annual
Habit: Herb
Leaf Arrangement: Opposite
Breeding System: Flowers Unisexual
Fruit Type: Capsule
Size Notes: Stems prostrate, frequently mat-forming, up to about 20 inches long.

Bloom Information

Bloom Color: White
Bloom Time: Jan , Feb , Mar , Apr , May , Jun , Jul , Aug , Sep , Oct , Nov , Dec
Bloom Notes: Staminate flowers 3–many, generally in 5 clusters.; Pistillate flower 1, central, stalked. May flower year-round in warmer areas, summer in more temperate areas.


USA: AL , AR , AZ , CA , CO , FL , GA , HI , IA , IL , IN , KS , LA , MO , MS , MT , ND , NE , NH , NJ , NM , OH , OK , PA , SD , TN , TX , WY
Canada: SK
Native Habitat: Gardens, yards, orchards, vineyards, crop fields, nursery grounds and containers.

National Wetland Indicator Status

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:

Nueces River Authority - Uvalde, TX

Herbarium Specimen(s)

NPSOT 0972 Collected Oct 10, 1994 in Bexar County by Harry Cliffe

1 specimen(s) available in the Digital Herbarium


Bibref 7 - Jepson Manual: Higher Plants of California (1993) Hickman, J.C. (ed.)

Search More Titles in Bibliography

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


Record Modified: 2023-02-01
Research By: TWC Staff

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