Family: Amaranthaceae
American bugseed, more...
Inflorescences always interrupted. Fruits (3-)3.5-4.5 × 2.5-3.5 mm; wing 0.3-0.4(-0.5) mm wide.
Flowering late summer-fall. Sandy areas; 100-2000 m; Ariz., Colo., N.Mex., Tex., Utah; n Mexico (Chihuahua).