Lupinus stiversii
Proc. Calif. Acad. Sci. 2: 192, fig. 58. 1863. (as stiverii)
Herbs, annual, 1–5 dm, sparsely pubescent. Cotyledons deciduous, petiolate. Stems ascending or erect, branched near middle. Leaves cauline; petioles 2–8 cm; leaflets usually 7, blades bright green, 20–50 × 5–15 mm, adaxial surface sparsely pubescent. Peduncles 8–18 cm; bracts tardily deciduous, 3–5 mm. Racemes dense, 5–10 cm; flowers spirally arranged. Pedicels 1.5–4 mm. Flowers 13–18 mm; calyx abaxial lobe entire, 5–7 mm, adaxial lobe deeply cleft, 4–6 mm; corolla banner yellow, wings usually pink, rarely white, keel white, lower and upper margins ciliate from claw to middle. Legumes 2 cm, glabrous or glabrate. Seeds usually 5.
Phenology: Flowering late spring (Apr–Jul).
Habitat: Clearings, open areas, chaparral, oak woodlands, yellow pine forest.
Elevation: 100–2200 m.
Distribution
Calif.
Discussion
Lupinus stiversii is found in the Sierra Nevada, the northern portion of Southern Coast Ranges (Monterey County), the San Gabriel Mountains, and the San Bernardino Mountains.
Selected References
None.