Herbage greenish or silky-canescent. Stems ± flexuous, 15–60(–70) cm. Leaflets 11–25(–29), blades mostly linear or narrowly oblong-oblanceolate, 6–11 mm. Peduncles 4–19 cm. Racemes (7–)12–26(–30)-flow­ered; axis 3–13(–15) cm in fruit. Flowers 7.4–11 mm; calyx 3.5–5.8 mm, tube 2.7–4.3 mm, lobes 0.5–1.7 mm; corolla banner recurved through 45–50°; keel incurved through 90–100°, semiobovate, 5.3–7.5 mm. Legumes linear-oblong, linear-oblanceoloid, or narrowly oblong-elliptic in outline, scarcely turgid, (8–)12–24 × 2.7–4.8 mm, base usually cuneate-tapered, usually finely strigulose or villosulous, rarely glabrous; stipe 0.5–1.3 mm, concealed by marcescent calyx. Seeds 14–20. 2n = 22.

Phenology: Flowering May–Aug.
Habitat: Pinyon-juniper, sagebrush-oak, ponderosa pine, mountain brush, mesic prairies.
Elevation: 200–2900 m.

Distribution

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Alta., B.C., Man., Ont., Sask., Colo., Iowa, Minn., Mont., Nebr., N.Mex., N.Dak., S.Dak., Utah, Wyo.

Discussion

Selected References

None.

Lower Taxa

None.