Amaranthus polygonoides is a species of flowering plant found in North America and the Caribbean. [1] It goes by the common name of tropical amaranth.

Amaranthus polygonoides subsp. urceolatus (Benth.) Iamonico. Discover the flowering plant tree of life and the genomic data used to build it. Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies. Smithsonian Contributions to Botany 98: 1-1192. Allred, K.W. (2012). Flora Neomexicana, ed. 2, 1: 1-599.

Plants annual, glabrescent proximally, pubescent distally, becoming glabrous at maturity. Stems erect-ascending to pro-strate, branched mostly at base and in proximal 1 /2, 0.1-0.5 m.

On the presence of Amaranthus polygonoides L> (Amaranthaceae) in Europe. Phyton; Annales Rei Botanica 50: 205-219. Liu, B. (2020-2021). Personal communication on the Flora of China. 1 Institute of Botany, Chinese Academy of Sciences, Beijing, China.

Plants annual, glabrescent proximally, pubescent distally, becoming glabrous at maturity. Stems erect-ascending to pro-strate, branched mostly at base and in proximal 1 /2, 0.1-0.5 m.

First published in Pl. Jamaic. Pug.: 27 (1759) The native range of this species is SE. & S. Central U.S.A. to Central America, Galápagos, Caribbean. It is an annual and grows primarily in the seasonally dry tropical biome. Extinction risk predictions for the world's flowering plants to support their conservation (2024).

Amaranthus polygonoides L., tropical amaranth, smartweed amaranth, berlandier’s amaranth. Annual, taprooted, not rosetted, 2—many–stemmed at base (the lowest pair of lateral branches at top of rose–purple hypocotyl from cotyledonary node, initial plant erect later with ascending to spreading branches, in range to 35 cm tall; monoecious ...

Amaranthus polygonoides Linnaeus [family AMARANTHACEAE], Pl. Jamaic. Pug., 27. 1759. Plants annual, glabrescent proximally, pubescent distally, becoming glabrous at maturity. Stems erect-ascending to pro-strate, branched mostly at base and in proximal 1/2, 0.1–0.5 m.

Amaranthus polygonoides L. Amaranthus polygonoides Moq. Amaranthus polygonoides Roxb. Amaranthus polygonoides Zoll. Common names Amarante fausse renouée in French Bella Maria in language. Bledo (Dominican Republic) in language. Bledo de clavo in language. Knotweed amaranth in language. Sanguinaria in language. Tropical Amaranth in English

Amaranthus polygonoides. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y. , Abucay, L. , Orrell, T. , Nicolson, D. , Bailly, N. , Kirk, P. , Bourgoin, T. , DeWalt, R.E. , Decock, W. , De Wever, A. , Nieukerken, E. van , Zarucchi, J. & Penev, L. , …