Herbs perennial, from rhizome, sparsely puberulent. Stems nar­rowly winged, erect, sprawling, or climbing, basally branched 0–2 times, 2–6 dm. Leaves 14–18 cm; tendrils well developed; stipules lanceolate, 10–20 × 1–5 mm, much smaller than leaflets; leaflets 14–18, scattered, blades ovate to lanceolate, 30–50 × 10–20 mm, surfaces pubes­cent with eglandular trichomes, glandular-pubescent abaxially. Inflorescences 7–12-flowered, 10–16 cm. Flowers 10–14 mm; calyx lobes unequal, lateral lobes linear-triangular, longer than tube; corolla blue-purple, banner erect, blade longer than claw, wings equal to keel; ovary densely glandular-pubescent. Legumes 30–50 × 6–8 mm. 2n = 14.

Phenology: Flowering May–Jun.
Habitat: Roadsides, talus slopes, oak woodlands.
Elevation: 0–800 m.

Distribution

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Calif.

Discussion

Lathyrus glandulosus is known only from Humboldt and northern Mendocino counties.

Selected References

None.

Lower Taxa

None.