familyChenopodiaceae
genusAtriplex
subgenusAtriplex subg. Obione
sectionAtriplex sect. Obione
subsectionAtriplex subsect. Argenteae
speciesAtriplex argentea
Atriplex argentea var. argentea
Endemic
Synonyms: Atriplex volutans A. Nelson
Stems erect, 3–4 dm. Leaves proximalmost alternate, distal ones short petiolate; blade ovate or ovate-elliptic to deltoid, 6–50 × 4–40 mm, margin entire or repand-dentate, grayish scurfy when young. Fruiting bracteoles sessile or some stipitate (stipe 0.5–5 mm), cuneate to obovate to suborbicular in profile, 3.8–11.2 × 4–8.8(–14) mm, usually compressed, united nearly to apex, green free margin extending nearly to base, dentate, sides smooth or sparsely to densely tuberculate or cristate. 2n = 18.
Phenology: Flowering summer–fall.
Habitat: Dry or saline substrates
Elevation: above 1000 m
Distribution
Alta., B.C., Man., Sask., Ariz., Colo., Idaho, Kans., Mont., Nebr., Nev., N.Mex., N.Dak., S.Dak., Tex., Utah, Wash., Wyo.
Discussion
Atriplex argentea var. argentea occasionally may be introduced in Michigan, Missouri, and reputedly, Ohio.
Selected References
None.
Lower Taxa
None.