Plants prostrate, densely mat-forming, becoming suffruticose. Stems and herbage strigulose, hairs basifixed. Leaves 1–1.7 cm; stipules dimorphic, 2–5 mm; leaflets 5(or 7), blades 5–12 mm, surfaces pubescent. Peduncles subobsolete. Flowers 5.8 mm; calyx 4.7–5.2 mm, tube 2.2–2.4 mm, lobes subulate, spinulose, 2.3–3 mm; corolla whitish. Legumes lanceoloid, 5–5.5 × 2 mm. Seeds 2. 2n = 24.

Phenology: Flowering Jun.
Habitat: Sandy substrates.
Elevation: 150–400 m.

Distribution

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Oreg., Wash.

Discussion

Variety douglasii is known from only a few, vague historical records, probably taken near the present city of Walla Walla near the Great Bend of the Columbia River, and appears to be extinct.

Selected References

None.

Lower Taxa

None.