Herbs, perennial, (3–)4–10 dm, hirsutulous or shortly pilose (green and inconspicuously hairy). Cotyledons deciduous, petiolate. Stems erect or ascend­ing, few-clustered, unbranched or branched. Leaves cauline (basal not present at anthesis); stipules 4–13 mm; petiole 2.5–6 cm; leaflets 5–8, blades broadly oblanceolate, 20–40(–50) × 4–11 mm, abaxial surface appressed-hairy, adaxial surface glabrate. Peduncles 5–12 cm; bracts deciduous, 4–6 mm. Racemes 4–15 cm; flowers spirally arranged or ± whorled. Pedicels 5–8 mm. Flowers (10–)12–14 mm; calyx lobes entire, 6 mm; corolla pale lavender to reddish purple, banner spot yellow or white, banner glabrous abaxially, keel distally ciliolate. Legumes 4 × 2 cm, villous. Seeds 3–6.

Phenology: Flowering May–Sep.
Habitat: Mountain meadows, canyons, oak, aspen, conifer woodlands.
Elevation: 1500–2500 m.

Distribution

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Ariz., N.Mex., Mexico (Chihuahua, Durango, Oaxaca, Sonora).

Discussion

Lupinus neomexicanus is known in the flora area from southeastern Arizona to Rio Arriba County in New Mexico.

Selected References

None.

Lower Taxa

None.