Flora of North America species comparison

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Atriplex truncata

truncate saltbrush, wedge orach, wedge orache, wedgeleaf orache, wedgescale, wedgescale orache, wedgescale saltbush
Habit 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.
Seeds

brown, 1–2 mm wide.
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).
2n

= 18.

Atriplex truncata
Phenology Flowering summer–fall.
Habitat Saline saltgrass-greasewood-rabbitbrush communities, and other pans or palustrine or lacustrine habitats
Elevation 400-2700 m (1300-8900 ft)
Distribution
from FNA
CA; CO; ID; MT; NV; OR; UT; WA; WY; AB; BC; SK
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 4, p. 354.
Parent taxa Chenopodiaceae > Atriplex > subg. Obione > sect. Obione > subsect. Truncatae
Sibling taxa
A. acanthocarpa, A. amnicola, A. argentea, A. californica, A. canescens, A. confertifolia, A. cordulata, A. coronata, A. corrugata, A. coulteri, A. covillei, A. dioica, A. elegans, A. fruticulosa, A. gardneri, A. garrettii, A. glabriuscula, A. gmelinii, A. graciliflora, A. heterosperma, A. holocarpa, A. hortensis, A. hymenelytra, A. joaquiniana, A. klebergorum, A. laciniata, A. lentiformis, A. leucophylla, A. lindleyi, A. linearis, A. littoralis, A. matamorensis, A. mucronata, A. nudicaulis, A. nummularia, A. oblongifolia, A. obovata, A. pacifica, A. parishii, A. parryi, A. patula, A. pentandra, A. phyllostegia, A. pleiantha, A. polycarpa, A. powellii, A. prostrata, A. pusilla, A. rosea, A. saccaria, A. semibaccata, A. serenana, A. spinifera, A. suberecta, A. suckleyi, A. tatarica, A. torreyi, A. tularensis, A. watsonii, A. wolfii, A. wrightii
Synonyms Obione truncata, A. subdecumbens, A. truncata var. stricta
Name authority (Torrey ex S. Watson) A. Gray: Proc. Amer. Acad. Arts 8: 398. (1873)
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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