Native Plants

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Amaranthus australis

Amaranthus australis (A. Gray) Sauer

Southern Amaranth, Southern Pigweed, Southern Water-hemp

Amaranthaceae (Amaranth family)

Synonym(s): Acnida alabamensis, Acnida australis, Acnida cuspidata

USDA Symbol: AMAU

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

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Plant Characteristics

Duration: Annual
Habit: Herb , Subshrub
Size Notes: Up to about 10 feet tall. Occasionally much taller.
Fruit: Utricle. Seeds reddish brown to dark brown, shiny.

Bloom Information

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

Distribution

USA: AL , FL , LA , MS , NC , TN , TX , VA
Native Habitat: Freshwater and brackish wetland habitats and hammocks.

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:	OBL			OBL	OBL	OBL

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

Metadata

Record Modified: 2020-10-27
Research By: CBR

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