Flora of North America species comparison

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Atriplex argentea var. mohavensis
Photo is of parent taxon

Mohave orach
Stems

erect or decumbent, much branched, 3–12(–20) dm, forming clumps 3–10(–30) dm broad;

branches obtusely to sharply angled, finely scurfy, white scurfy to glabrate.
Leaves

petiole 2–21 mm on proximal leaves, distal ones sessile;

blade 3-veined at base, ovate to lance-ovate, or deltoid-ovate, (10–)25–75 mm and often as broad, margin irregularly dentate or entire.
Flowers

of sexes intermixed in glomerules or staminate ones in distinct glomerules.
Staminate flowers

5-merous.
Pistillate flowers

in axillary fascicles.
Fruiting

bracteoles sessile to subsessile, orbicular or cuneate-orbicular, mostly 3-veined, (3–)4–7 × 2–4 mm, united to middle, margin sharply dentate, faces with a few irregular, green projections or crests, or unappendaged.

Atriplex argentea var. mohavensis
Phenology Flowering summer–fall.
Habitat Dry or saline substrates
Elevation above 1000 m (above 3300 ft)
Distribution
from FNA
AZ; CA; NM; NV; OK; TX; Mexico
Discussion

Atriplex argentea var. mohavensis is a tall, bushy plant with tumbleweed proportions. Its morphologic differences, slight though they may be, are geographically based.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 4, p. 351.
Parent taxa Chenopodiaceae > Atriplex > subg. Obione > sect. Obione > subsect. Argenteae > Atriplex argentea
Sibling taxa
A. argentea var. argentea, A. argentea var. hillmanii, A. argentea var. longitrichoma, A. argentea var. rydbergii
Synonyms A. expansa var. mohavensis, A. expansa var. trinervata, A. sordida, A. trinervata
Name authority (M. E. Jones) S. L. Welsh
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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