Atriplex truncata

(Torrey ex S. Watson) A. Gray
Proc. Amer. Acad. Arts 8: 398. 1873.
Common names: Wedge orach
IllustratedEndemic
Basionyms: 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.

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

V4 682-distribution-map.gif

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 +