Herbs, perennial, less than 1 dm, silver-silky. Cotyledons decid­uous, petiolate. Stems ± pros­trate or ascending, branched. Leaves basal (clustered near base); stipules 4–5 mm; petiole 2–4.5 cm; leaflets 6–8, blades 10–20 × 2–4 mm, adaxial sur­face pubescent. Peduncles 5–10 cm; bracts usually deciduous, 4–5 mm. Racemes 2–7 cm; flowers in few whorls, widely separated. Pedicels 2–4 mm. Flowers 9–12 mm; calyx bulge or spur 0–1 mm, abaxial lobe obscurely 3-toothed, 5–6 mm, adaxial lobe notched, 4–5 mm; corolla ± violet, banner patch yellow, banner usually hairy abaxially, lower keel margins glabrous, adaxial margin ciliate. Legumes 2–3 cm, pilose. Seeds 1 or 2.

Phenology: Flowering Jul.
Habitat: Dry, granite gravel, yellow pine and subalpine forests, granitic or serpentine soils.
Elevation: 1500–3000 m.

Distribution

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Calif.

Discussion

Lupinus lapidicola is relatively rare and is known only from the Klamath Ranges in northwestern California.

Selected References

None.

Lower Taxa

None.