Publication: Syst. Nat. ed. 10. 2: 1269. 1759.
Origin: Probably introduced from cultivation in Central America
Herbarium search: CPNWH
Notes: Derived from cultivated forms of Amaranthus hybridus, and perhaps best treated as a form of that species, according to FNA. Known from a single garden collection in WA. Considered excluded from the flora.
References:
Last updated 3/15/2023 by David Giblin.