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broadscale, mound saltbush, New Mexico saltbush, silver saltbush
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slender orach, Wolf's saltweed
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| Subshrubs, dioecious, clump forming, mainly 2–8 dm and as wide, woody at base. |
Herbs, slender, delicate. |
stiffly erect; branchlets terete. |
simple or more commonly branched throughout, mainly 0.7–3.5 dm, branches terete; herbage scurfy. |
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. |
blade concolorous, linear to narrowly lanceolate, mainly 4–25 × 1–3 mm. |
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very small, both sexes in the same sessile, axillary clusters. |
yellow, in clusters 2–3 mm wide, borne in panicles 6–30 cm. |
sepals 5. |
in small, very numerous glomerules in axils of elongated, terminal leafy-bracteate spikes or finally paniculate. |
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brown, 2.4–2.8 mm. |
brown, 1–2 mm. |
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, ovate to cuneate in outline, 1.5–2.7 × 1.1–2.1 mm, apex truncate to attenuate, faces smooth or tuberculate. |
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| Flowering summer–fall. |
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| Fine-textured substrates, with salt desert shrub and lower pinyon-juniper communities |
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| 1500-2000 m (4900-6600 ft) |
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AZ; CO; NM; TX; UT; Mexico
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CO; UT; WY |
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Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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1. Fruiting bracteoles with lateral distalmost lobes much larger and broader than median one; sc Colorado | var. wolfii |
1. Fruiting bracteoles with distalmost lobe typically but not always larger and broader than any lateral lobes, comprising much of bract length; nw Colorado, sw Wyoming, and c to ne Utah. | var. tenuissima |
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| FNA vol. 4, p. 371. |
FNA vol. 4, p. 355. |
| Chenopodiaceae > Atriplex > subg. Pterochiton |
Chenopodiaceae > Atriplex > subg. Obione > sect. Obione > subsect. Wolfianae |
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. suberecta, A. suckleyi, A. tatarica, A. torreyi, A. truncata, A. tularensis, A. watsonii, A. wrightii |
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| A. greggii, A. jonesii, A. obovata var. tuberata |
Obione wolfii |
| Moquin-Tandon: Chenop. Monogr. Enum., 61. (1840) |
S. Watson: Proc. Amer. Acad. Arts 9: 112. (1874) |
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