Herbs perennial, from rhizome, villous. Stems angled, erect or sprawling, basally branched 1–3 times, 0.5–1 dm. Leaves 0.5–1 cm; tendrils absent or reduced to flattened bristles; stipules linear, 4–5 × 1–2 mm, ca. 1/2 length of leaflets; leaflets (3 or)4(or 5), paired, blades lan­ceolate, 6–12 × 2–3 mm, surfaces finely villous. Inflorescences 1- or 2-flowered, 1 cm. Flowers 7–8 mm; calyx lobes subequal, lateral lobes deltate, shorter than tube; corolla cream, banner erect, blade equal to claw, wings equal to keel; ovary glabrous. Legumes 13–15 × 3–5 mm.

Phenology: Flowering Jun.
Habitat: Serpentine outcrops and Jeffrey pine woodlands.
Elevation: 1300–1400 m.

Distribution

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Calif.

Discussion

Lathyrus biflorus is known only from southeastern Humboldt County.

Selected References

None.

Lower Taxa

None.