Flora of North America species comparison

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Atriplex obovata

broadscale, mound saltbush, New Mexico saltbush, silver saltbush
Habit Subshrubs, dioecious, clump forming, mainly 2–8 dm and as wide, woody at base.
Stems

stiffly erect;

branchlets terete.
Leaves

tardily deciduous, alternate or proximal-most subopposite, shortly petiolate;

blade gray green, oblong-ovate to elliptic or orbiculate, 8–30(–35) × 6–20 mm, margin entire or rarely dentate, apex rounded to retuse or obtuse.
Staminate flowers

yellow, in clusters 2–3 mm wide, borne in panicles 6–30 cm.
Pistillate flowers

in small, very numerous glomerules in axils of elongated, terminal leafy-bracteate spikes or finally paniculate.
Seeds

brown, 2.4–2.8 mm.
Fruiting

bracteoles sessile or substipitate, 4–5 × 5–9 mm, base broadly cuneate, margin sharply toothed, apical tooth subtended by 2–6 equal or smaller teeth, faces smooth or rarely tuberculate.

Atriplex obovata
Phenology Flowering summer–fall.
Habitat Fine-textured substrates, with salt desert shrub and lower pinyon-juniper communities
Elevation 1500-2000 m (4900-6600 ft)
Distribution
from FNA
AZ; CO; NM; TX; UT; Mexico
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 4, p. 371.
Parent taxa Chenopodiaceae > Atriplex > subg. Pterochiton
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. 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. truncata, A. tularensis, A. watsonii, A. wolfii, A. wrightii
Synonyms A. greggii, A. jonesii, A. obovata var. tuberata
Name authority Moquin-Tandon: Chenop. Monogr. Enum., 61. (1840)
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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