Astragalus lentiginosus var. pohlii

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

• Generated Map
• Legacy Map

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.