Plants from shallow sub­ter­ranean or superficial caudex; distal leaves foliose, reduced to naked rachis distally. Leaves: stipules connate-sheathing at proximal nodes, distinct at dis­tal nodes; leaflets (5 or)7–11(or 13), blades to 5–18(–27) mm, surfaces strigulose adaxially (often densely so); terminal leaflet continuous with rachis. Flowers: calyx 3.7–4.3 × 3–5 mm; corolla pur­plish; banner 8.5–10.5 mm. Legumes not or faintly mottled, becoming stramineous, narrowly ellipsoid, 20–45 mm, 7–10 mm wide when pressed; stipe 3–5 mm. Seeds 10–20. 2n = 22.

Phenology: Flowering May–Jun.
Habitat: Bare clay hillsides.
Elevation: 800–1000 m.

Distribution

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Idaho.

Discussion

Variety packardiae is known from Dry Creek in Payette County.

Selected References

None.

Lower Taxa

None.