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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 latifolia

Ammannia latifolia L.

Koehn's Toothcup, Pink Redstem, Toothcup

Lythraceae (Loosestrife family)

Synonym(s): Ammannia koehnei, Ammannia teres var. exauriculata

USDA Symbol: AMLA3

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


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Plant Characteristics

Duration: Annual
Habit: Herb , Subshrub
Fruit Type: Capsule
Size Notes: Up to about 3 feet tall.

Bloom Information

Bloom Color: White , Pink
Bloom Time: Jul , Aug , Sep


USA: FL , GA , LA , MD , MS , NC , NJ , SC , TX , VA
Native Habitat: Wet ground on the coastal plains, hammocks, pineland communities, ditches.

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 57 - Atlas of Florida Plants (2020) Institute for Systematic Botany
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

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


Record Modified: 2020-12-14
Research By: CBR

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