Atriplex obovata

Moquin-Tandon

Chenop. Monogr. Enum., 61. 1840

Common names: New Mexico saltbush broadscale
Synonyms: Atriplex greggii S. Watson Atriplex jonesii Standley Atriplex obovata var. tuberata J. F. Macbride
Treatment appears in FNA Volume 4. Treatment on page 371. Mentioned on page 331.
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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. 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. Seeds brown, 2.4–2.8 mm.

Phenology: Flowering summer–fall.
Habitat: Fine-textured substrates, with salt desert shrub and lower pinyon-juniper communities
Elevation: 1500-2000 m

Distribution

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Ariz., Colo., N.Mex., Tex., Utah, Mexico.

Discussion

References

None.

Lower Taxa

No lower taxa listed.