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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Atriplex prostrata

Atriplex prostrata Bouchér ex DC.

Triangle Orache

Amaranthaceae (Amaranth Family)

Synonym(s): Atriplex hastata, Atriplex latifolia, Atriplex patula ssp. hastata, Atriplex patula var. hastata, Atriplex patula var. triangularis, Atriplex prostrata var. triangularis, Atriplex triangularis


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

The Amaranthaceae are a family of annual or perennial herbs with small, crowded flowers. There are usually 5 sepals and no petals. Filaments of the stamens are often united into a short tube.


From the Image Gallery

No images of this plant

Plant Characteristics

Duration: Annual
Habit: Herb
Leaf Arrangement: Alternate , Opposite
Leaf Shape: Hastate
Leaf Margin: Entire
Leaf Base: Cordate , Truncate
Size Notes: Up to about 3 feet tall.
Fruit: Utricle.

Bloom Information

Bloom Color: Pink , Green , Purple , Brown
Bloom Time: Jun , Jul , Aug , Sep , Oct , Nov


USA: AZ , CA , CO , CT , DC , IA , ID , IL , IN , KS , KY , MA , MD , ME , MI , MN , MO , MT , NC , ND , NE , NH , NJ , NM , NY , OH , OR , PA , RI , SC , SD , TX , UT , VA , VT , WA , WI , WV , WY
Canada: AB , BC , MB , NB , NS , ON , PE , QC , SK

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:

Natural Biodiversity - Johnstown, PA

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


Record Modified: 2023-06-01
Research By: TWC Staff

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