Shrubs, 10–15 dm, usually greenish, soft-short-hairy. Cot­yledons deciduous, petiolate. Stems erect, clustered, branched. Leaves cauline; stipules 5–14 mm; petiole 4–7(–10) cm; leaflets 5–10, blades 30–60 × 6–12 mm, adaxial surface pubescent. Peduncles 5–12 cm; bracts deciduous, 4–11 mm. Racemes 20–45 cm; flowers ± whorled or not. Pedicels 5–10 mm. Flowers 12–18 mm; calyx bulge or spur 0–1 mm, abaxial lobe entire, 10–15 mm, adaxial lobe 2-toothed, 8–10 mm; corolla violet to blue, banner patch yellowish to white or absent, banner glabrous abaxially, lower keel margins glabrous, adaxial margin ciliate middle to tip. Legumes dark, 4–6 cm, hairy. Seeds 6–8, brownish to gray, 5–6 mm.

Phenology: Flowering Apr–Jun.
Habitat: Coastal sage scrub, chaparral, coastal bluffs, inland canyons.
Elevation: 0–500 m.

Distribution

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Calif., Mexico (Baja California).

Discussion

Lupinus longifolius occurs in southwestern California and adjacent Baja California.

Selected References

None.

Lower Taxa

None.