The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

broadscale, mound saltbush, New Mexico saltbush, silver saltbush

peregrine saltbush, sprawling saltbush

Habit Subshrubs, dioecious, clump forming, mainly 2–8 dm and as wide, woody at base. Herbs, annual or perennial, sprawling to ascending, 2–6 dm, branching from densely scaly 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.

mostly alternate, shortly petiolate;

blade narrow to broadly rhomboid, lanceolate, oblanceolate, or elliptic, (8–)12–35(–42) × 6–16 mm, thin, margin coarsely and irregularly dentate, glabrescent adaxially, somewhat scurfy abaxially.

Staminate flowers

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

in subterminal, axillary glomerules.

Pistillate flowers

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

in axillary glomerules.

Seeds

brown, 2.4–2.8 mm.

circular.

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.

bracteoles sessile or on the stipe to 0.5 mm, rhombic to obovate, almost flat to convex, 2.2–4 × 1.7–2.7 mm, thin or somewhat thickened in age, connate in basal 1/2, margin entire in basal 1/2, 2–4-toothed in distal 1/2, apex acute, scurfy.

2n

= 18.

Atriplex obovata

Atriplex suberecta

Phenology Flowering summer–fall. Flowering summer–fall.
Habitat Fine-textured substrates, with salt desert shrub and lower pinyon-juniper communities Disturbed places, with other ruderal weeds
Elevation 1500-2000 m (4900-6600 ft) 10-900 m (0-3000 ft)
Distribution
from FNA
AZ; CO; NM; TX; UT; Mexico
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; UT; Australia; naturalized South Africa [Introduced in North America]
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 4, p. 371. FNA vol. 4, p. 343.
Parent taxa Chenopodiaceae > Atriplex > subg. Pterochiton Chenopodiaceae > Atriplex > subg. Atriplex > sect. Semibaccata
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
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. 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) I. Verdoorn: Bothalia 6: 418, figs. 2, 3(2). (1954)
Web links