Herbs, perennial, 2–8 dm, green, puberulent to hairy. Cotyledons deciduous, petio­late. Stems erect or slightly spread­ing, clustered, unbranched or branched distally. Leaves cau­line; stipules 10–15 mm; prox­imal petioles (3–)5–14 cm, distal ones (1–)2–4 cm; leaflets 5–8, blades 35–80 × 2–5 mm, adaxial surface pubescent. Peduncles 6–12 cm; bracts semideciduous, 4–10 mm. Racemes 6–20 cm; flowers in 4–8 distinct whorls. Pedicels 2–4 mm. Flowers 8–18 mm; calyx bulge or spur 0–1 mm, abaxial lobe 2 or 3-toothed or entire, 5–7 mm, adaxial lobe 2-toothed, 7 mm; corolla blue, banner patch white to yellowish, banner glabrous abaxially, lower keel margins glabrous, adaxial keel sparsely ciliate. Legumes 2–3 cm, densely hairy. Seeds 6–8.

Phenology: Flowering Jul–Sep.
Habitat: Open moist sites, subalpine for­ests.
Elevation: 2500–3500 m.

Distribution

• Generated Map
• Legacy Map

Loading map...

Calif.

Discussion

Lupinus gracilentus is known from the southern Sierra Nevada (Rock Creek) in Inyo and Mono counties northward to Yosemite National Park.

Selected References

None.

Lower Taxa

None.