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Amaranthus cannabinus

Amaranthus cannabinus (L.) Sauer

Salt-marsh Water-hemp, Tidal-marsh Water-hemp, Tidalmarsh Amaranth, Water-hemp Pigweed

Amaranthaceae (Amaranth family)

Synonym(s): Acnida cannabina

USDA Symbol: AMCA2

USDA Native Status: L48 (N)

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Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 10 feet tall.
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 , CT , DC , DE , FL , GA , LA , MA , MD , ME , NC , NH , NJ , NY , PA , RI , SC , VA
Native Habitat: Coastal salt or brackish marshes, edges of sloughs, tidal riverbanks, tidal flats; rarely freshwater semiaquatic habitats.

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:	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 cannabinus in USDA Plants
FNA: Find Amaranthus cannabinus in the Flora of North America (if available)
Google: Search Google for Amaranthus cannabinus

Metadata

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

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