Atriplex truncata

(Torrey ex S. Watson) A. Gray

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

Common names: Wedge orach
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.
Click plate for higher resolution version.
Illustrator: Bee F. Gunn
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


V4 682-distribution-map.gif

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




Lower Taxa

No lower taxa listed.

Facts about "Atriplex truncata"
AuthorStanley L. Welsh +
Authority(Torrey ex S. Watson) A. Gray +
BasionymsObione truncata +
Common nameWedge orach +
DistributionAlta. +, B.C. +, Sask. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, Oreg. +, Utah +, Wash. + and Wyo. +
Elevation400-2700 m +
HabitatSaline saltgrass-greasewood-rabbitbrush communities, and other pans or palustrine or lacustrine habitats +
IllustratorBee F. Gunn +
PhenologyFlowering summer–fall. +
Publication titleProc. Amer. Acad. Arts +
Publication year1873 +
ReferenceNone +
Source xml grained fna xml/V4/V4 682.xml +
SynonymsAtriplex subdecumbens + and Atriplex truncata var. stricta +
Taxon familyChenopodiaceae +
Taxon nameAtriplex truncata +
Taxon parentAtriplex subsect. Truncatae +
Taxon rankspecies +
VolumeVolume 4 +