Amaranthus australis is also known as southern amaranth or southern water-hemp. The plant usually grows from 1 to 3 m (3.3 to 9.8 ft) in height, though some have been known to grow up to 9 m (30 ft) high. The stems can be up to 30 cm in diameter. It is a herbaceous annual. It is found in many southern states of the United States, Mexico, the West Indies, and South America. They are frequently found in wetland areas. It is herbaceous, short lived perennial. The largest is 4.6 m (15 ft) tall.

Amaranthus australis
Conservation status
Secure  (NatureServe)[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Caryophyllales
Family:	Amaranthaceae
Genus:	Amaranthus
Species:	A. australis
Binomial name
Amaranthus australis J.D. Sauer

References

• Flora of North America