Stenogonum salsuginosum

Nuttall

Proc. Acad. Nat. Sci. Philadelphia 4: 19. 1848. 1848

Common names: Smooth two-whorl buckwheat
Synonyms: Eriogonum salsuginosum (Nuttall) Hooker
Treatment appears in FNA Volume 5. Treatment on page 432. Mentioned on page 431.
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Stems mostly spreading, 0.5–2 dm, glabrous. Leaves basal and cauline; basal petiolate, petiole 0.5–2 cm, blade spatulate, (1–)2–4 × (0.5–)1–2.5 cm, glabrous; cauline sessile, blade narrowly lanceolate to oblanceolate, 0.5–4.5 × 0.2–1 cm. Inflorescences spreading, 0.5–2.5(–3) dm, glabrous, occasionally glandular at proximal nodes; bracts 0.5–4 mm. Peduncles straight, slender to filiform, 0.1–4 cm, glabrous, or absent. Involucral bracts 2–8 × 2–3 mm, glabrous. Flowers: perianth yellow, 1.5–3 mm; tepals lanceolate; filaments 1.5–2 mm; anthers 0.2–0.3 mm. Achenes 2–2.5 mm. 2n = 40.


Phenology: Flowering Apr–Sep.
Habitat: Clay hills and flats, saltbush communities
Elevation: 1300-2200 m

Distribution

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Ariz., Colo., N.Mex., Utah, Wyo.

Discussion

Stenogonum salsuginosum is common to abundant and even weedy on the Colorado Plateau. The species occurs from Washakie County, Wyoming, southward into eastern Utah and extreme western Colorado to northern Arizona (just entering Mohave County) and northwestern New Mexico.

Selected References

None.

Lower Taxa

None.

... more about "Stenogonum salsuginosum"
James L. Reveal +
Nuttall +
Smooth two-whorl buckwheat +
Ariz. +, Colo. +, N.Mex. +, Utah +  and Wyo. +
1300-2200 m +
Clay hills and flats, saltbush communities +
Flowering Apr–Sep. +
Proc. Acad. Nat. Sci. Philadelphia +
Eriogonum salsuginosum +
Stenogonum salsuginosum +
Stenogonum +
species +