Atriplex truncata

(Torrey ex S. Watson) A. Gray

Proc. Amer. Acad. Arts 8: 398. 1873.

Common names: Wedge orach
IllustratedEndemic
Basionym: Obione truncata Torrey ex S. Watson Botany (Fortieth Parallel), 291. 1871
Synonyms: Atriplex subdecumbens M. E. Jones Atriplex truncata var. stricta A. Gray
Treatment appears in FNA Volume 4. Treatment on page 354. Mentioned on page 328, 347.
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Herbs, typically erect. Stems simple or more commonly branched throughout, mainly 2–8(–10) dm, branches mostly obtusely angled; herbage scurfy, becoming glabrate. Leaves alternate or proximalmost opposite, short petiolate proximally, sessile and often cordate-clasping distally; blade ovate to deltoid or oval, 4–30(–40) × 3–30 mm, base truncate or subhastate to rounded, margin entire or dentate, apex acute to obtuse. Flowers in axillary glomerules. Staminate flowers in glomerules mainly in distal axils; sepals 3–5. Fruiting bracteoles scarcely compressed, 2–3 mm and as wide, apex truncate to broadly rounded, with 3 (or more) teeth across summit, surfaces smooth (or rarely tuberculate). Seeds brown, 1–2 mm wide. 2n = 18.


Phenology: Flowering summer–fall.
Habitat: Saline saltgrass-greasewood-rabbitbrush communities, and other pans or palustrine or lacustrine habitats
Elevation: 400-2700 m

Distribution

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Alta., B.C., Sask., Calif., Colo., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Atriplex truncata"
Stanley L. Welsh +
(Torrey ex S. Watson) A. Gray +
Obione truncata +
Wedge orach +
Alta. +, B.C. +, Sask. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, Oreg. +, Utah +, Wash. +  and Wyo. +
400-2700 m +
Saline saltgrass-greasewood-rabbitbrush communities, and other pans or palustrine or lacustrine habitats +
Flowering summer–fall. +
Proc. Amer. Acad. Arts +
Illustrated +  and Endemic +
Atriplex subdecumbens +  and Atriplex truncata var. stricta +
Atriplex truncata +
Atriplex subsect. Truncatae +
species +