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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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Ammannia auriculata

Ammannia auriculata Willd.

Eared Redstem

Lythraceae (Loosestrife Family)

Synonym(s): Ammannia auriculata var. arenaria

USDA Symbol: AMAU2

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


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Plant Characteristics

Duration: Annual
Habit: Herb
Fruit Type: Capsule
Size Notes: Up to about 32 inches tall, often shorter.

Bloom Information

Bloom Color: Pink , Purple
Bloom Time: May , Jun , Jul , Aug , Sep , Oct , Nov
Bloom Notes: Deep rosy purple.


USA: AZ , KS , LA , MS , NE , NM , OK , SD , TX

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.

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


Record Modified: 2023-04-13
Research By: SET

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