Amaranthus polygonoides is a species of flowering plant in the family Amaranthaceae. It is an annual native to Mexico, northern Central America, the Caribbean, the Galápagos, and portions of the south-central and southeastern United States. It goes by the common name of tropical amaranth.
Subdivisions Three subdivisions are accepted: Amaranthus polygonoides var. berlandieri – south-central United States to Honduras Amaranthus polygonoides subsp. polygonoides – Caribbean, Florida, South Carolina, and Texas Amaranthus polygonoides subsp. urceolatus – Galápagos
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