Amaranthus deflexus is also known by the common names large-fruit amaranth, low amaranth, Argentina amaranth, and perennial pigweed, is native to Korea and South America. It is a short-lived perennial or annual plant. The plant can grow up to 1.5 ft (0.5 m) in height.
It flowers in the summer to fall, and was introduced into many states. 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 has been described in Europe, and is known as Amaranthus x tarraconensis.
- English Names for Korean Native Plants (PDF). Pocheon: Korea National Arboretum. 2015. p. 349. ISBN 978-89-97450-98-5. Retrieved 25 January 2016 – via Korea Forest Service.
- "BSBI List 2007" (xls). Botanical Society of Britain and Ireland. Archived from the original on 2015-01-25. Retrieved 2014-10-17.
- Jepson Manual Treatment
- USDA Plants Profile
- Flora of North America: Taxonomic, Scientific, and Distribution Information
- Amaranthus deflexus in the CalPhotos Photo Database, University of California, Berkeley
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