Amaranthus australis (A. Gray) J. D. Sauer GRIN-Global

Taxon: Amaranthus australis (A. Gray) J. D. Sauer

Summary

Genus:

Amaranthus

Subgenus:

Acnida

Family:

Amaranthaceae

Nomen number:

315340

Place of publication:

Madroño 13:15. 1955

Verified:

11/03/1989 ARS Systematic Botanists.

Accessions:

1 (1 active, 0 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

Autonyms (not in current use), synonyms and invalid designations

Basionym

Acnida australis A. Gray

Heterotypic Synonym(s)

Acnida cuspidata Bertol. ex Spreng.

No images

Reference(s)

Aldén, B., S. Ryman & M. Hjertson. Våra kulturväxters namn - ursprung och användning. Formas, Stockholm (Handbook on Swedish cultivated and utility plants, their names and origin). 2009
Correll, D. S. & M. C. Johnston. Manual of the vascular plants of Texas. 1970
FNA Editorial Committee. Flora of North America. 1993-
Görts-van Rijn, A. R. A., ed. Flora of the Guianas. 1986-
Liogier, H. A. & L. F. Martorell. Flora of Puerto Rico and adjacent islands: a systematic synopsis. 1982
Sauer, J. D. 1955. Revision of the dioecious amaranths. Madroño 13:5-46.
Sauer, J. D. 1972. The dioecious amaranths: a new species name and major range extensions. Madroño 21:430-431.

Common names

English
southern amaranth –
southern water-hemp –
Swedish
jätteamarant –

Distribution

order_code	Status	Continent	Subcontinent	Country	State
1	Native	Northern America	Northern Mexico	Mexico	Tamaulipas
1	Native	Northern America	South-Central U.S.A.	United States	Texas
1	Native	Northern America	Southeastern U.S.A.	United States	Alabama
1	Native	Northern America	Southeastern U.S.A.	United States	Arkansas
1	Native	Northern America	Southeastern U.S.A.	United States	Florida
1	Native	Northern America	Southeastern U.S.A.	United States	Georgia
1	Native	Northern America	Southeastern U.S.A.	United States	Louisiana
1	Native	Northern America	Southeastern U.S.A.	United States	Mississippi
1	Native	Northern America	Southeastern U.S.A.	United States	North Carolina
1	Native	Northern America	Southeastern U.S.A.	United States	Virginia
1	Native	Northern America	Southern Mexico	Mexico	Campeche
1	Native	Northern America	Southern Mexico	Mexico	Quintana Roo
1	Native	Northern America	Southern Mexico	Mexico	Tabasco
1	Native	Southern America	Brazil	Brazil	Rio Grande do Sul
1	Native	Southern America	Caribbean	Cuba
1	Native	Southern America	Caribbean	Haiti
1	Native	Southern America	Caribbean	Jamaica
1	Native	Southern America	Caribbean	Puerto Rico
1	Native	Southern America	Caribbean	Trinidad and Tobago
1	Native	Southern America	Northern South America	French Guiana
1	Native	Southern America	Northern South America	Guyana
1	Native	Southern America	Northern South America	Suriname
1	Native	Southern America	Northern South America	Venezuela	Aragua

Native
Northern America

NORTHERN MEXICO: Mexico [Tamaulipas]
SOUTH-CENTRAL U.S.A.: United States [Texas]
SOUTHEASTERN U.S.A.: United States [Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, North Carolina, Virginia]
SOUTHERN MEXICO: Mexico [Campeche, Quintana Roo, Tabasco]

Southern America

BRAZIL: Brazil [Rio Grande do Sul]
CARIBBEAN: Cuba, Haiti, Jamaica, Puerto Rico, Trinidad and Tobago
NORTHERN SOUTH AMERICA: French Guiana, Guyana, Suriname, Venezuela [Aragua]

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2025. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://ausgenebank.agriculture.vic.gov.au/gringlobal/taxon/taxonomydetail?id=315340. Accessed 16 December 2025.