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Plant Database

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Amaranthus crassipes

Amaranthus crassipes Schltdl.

Spreading Amaranth, Clubfoot Amaranth, Tropical Spreading Amaranth, Spreading Pigweed

Amaranthaceae (Amaranth family)



USDA Native Status: L48 (NI), PR (I), VI (I)

This species includes botanical varieties that are North American natives. However, it also includes botanical varieties that are not native to North America, e.g. Amaranthus crassipes var. crassipes, Spreading Amaranth. Non-native taxa are not treated in this database.


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Plant Characteristics

Duration: Annual
Habit: Herb
Size Notes: Stems prostrate or weakly ascending, up to about 2 feet long.
Fruit: Utricle. Seeds dark brownish or reddish black to black, shiny.

Bloom Information

Bloom Color: White , Green
Bloom Time: Jun , Jul , Aug , Sep , Oct , Nov


USA: AL , AZ , FL , NM , PA , SC , TX
Native Habitat: Open, seasonally wet flats, shorelines, waste places, other disturbed habitats.

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 3 - Flora of North America (2014) 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 Amaranthus crassipes in USDA Plants
FNA: Find Amaranthus crassipes in the Flora of North America (if available)
Google: Search Google for Amaranthus crassipes


Record Modified: 2022-03-09
Research By: CBR

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