Plants usually robust. Leaves 3–12 cm; rachis 2–9 cm, lon­ger than longest leaflet; leaflets 9–19, 10–18 mm, scattered along rachis. Peduncles erect, 9–19 cm, usually surpassing leaves, axis 2–8 cm in fruit. Racemes 7–20-flowered, loose. Calyces 9–13 mm, hispid-hirsute, hairs ascending-spreading. Corollas 17–25 mm. Legumes short-stipitate, scarcely to strongly inflated.

Phenology: Flowering spring–early summer.
Habitat: Hilltops, bluffs, banks, sagebrush, grasslands, sand, gravel.
Elevation: 1000–2900 m.

Distribution

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Sask., Mont., Wyo.

Discussion

Variety besseyi is similar to Oxytropis lambertii, with which it is occasionally confused; it differs in its hispid-villous calyces, thin-walled fruits, and basifixed hairs.

Selected References

None.

Lower Taxa

None.