Astragalus lentiginosus var. pohlii

S. L. Welsh & Barneby

Iselya 2: 1. 1981.

Common names: Pohl’s milkvetch
IllustratedEndemicConservation concern
Treatment appears in FNA Volume 11.
Revision as of 17:31, 12 March 2025 by imported>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Plants perennial, 7–20 cm. Leaves (4–)5–9 cm; leaflets 11–17, blades broadly obovate-cuneate or suborbiculate, 4–11 mm, apex obtuse or retuse to emarginate. Peduncles 1–4 cm. Racemes shortly and loosely 3–9-flowered, short and com­pact in fruit; axis 1–3.5 cm in fruit. Flowers 20–23 mm; calyx 8.5–10.5 mm, tube 8–10 mm, lobes 2.4–3 mm; corolla whitish tinged with violet. Legumes pale green or purple-speckled becoming stramineous or brownish, plumply ovoid, strongly inflated, 23–33 × 10–15 mm, ± bilocular, leathery or stiffly papery, minutely strigulose; beak 5–15 mm, unilocular; stipe 0.5–1.5 mm. Seeds 24–32.


Phenology: Flowering May–Jun.
Habitat: Greasewood, shadscale, horse­brush, and big sagebrush communities, vegetated sand dunes.
Elevation: 1300–1700 m.

Distribution

Loading map...
Created with Raphaël 2.2.0

Utah.

Discussion

Variety pohlii is restricted to the Rush and Skull valleys in Tooele County. The shortly stipitate fruit is unusual among varieties of Astragalus lentiginosus.

Selected References

None.

Lower Taxa

None.
Stanley L. Welsh +
S. L. Welsh & Barneby +
Pohl’s milkvetch +
1300–1700 m. +
Greasewood, shadscale, horsebrush, and big sagebrush communities, vegetated sand dunes. +
Flowering May–Jun. +
Illustrated +, Endemic +  and Conservation concern +
Papilionoideae de +
Astragalus lentiginosus var. pohlii +
Astragalus lentiginosus +
variety +