''Amaranthus deflexus'' is also known by the common names low amaranth, Argentina amaranth, perennial pigweed, and large-fruit amaranth. It is native to

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southe ...

, and has been introduced to many other parts of the world. It is a short-lived

perennial A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...

annual plant An annual plant is a plant that completes its life cycle, from germination to the production of seeds, within one growing season, and then dies. The length of growing seasons and period in which they take place vary according to geographical ...

. The plant can grow up to 1.5 ft (0.5 m) in height. It flowers in the summer to fall. It has been introduced into many warm or temperate regions of the globe. It grows best in weedy areas or in disturbed habitats. A natural hybrid of ''Amaranthus deflexus'' and ''

Amaranthus muricatus ''Amaranthus muricatus'', the so-called African amaranth, is a species in the genus ''Amaranthus'' native to South America; Bolivia, Paraguay, Argentina and Uruguay. It is an invasive species in Africa, Europe and Australia, and to a lesser degre ...

'' has been described in Europe, and is known as ''Amaranthus'' × ''tarraconensis.''

References

Jepson Manual Treatment
* {{Taxonbar, from=Q163252 deflexus Flora of South America