Herbs, perennial, 6.5–15.2 dm, appearing green and glabrous but finely and inconspicuously pubescent. Cotyledons decid­uous, petiolate. Stems erect, solitary, branched, robust, succulent, hirsutulous. Leaves cauline; stipules 6–9 mm; proximal petioles 5–7 cm, withering, distal ones 3.5–6.5 cm; leaflets 7–10, blades 30–95 × 5–13 mm, abaxial surface finely strigulose, adaxial surface glabrate, yellow-green or gray-green. Peduncles 4–5 cm; bracts semi-deciduous, 5–7 mm. Racemes 5–34 cm; flowers whorled or spirally arranged. Pedicels 2–8(–10) mm. Flowers 10–14 mm; calyx abaxial lobe ± slightly gibbous, 9–15 mm, adaxial lobe slightly notched, 7–11 mm; corolla pale blue and whitish, banner with conspicuous darker spot, banner glabrous or hairy abaxially, keel falcate, often ± ciliolate distally. Legumes 3.5 × 0.8–1 cm, hirsute. Seeds 5–7. 2n = 48.

Phenology: Flowering Jun–Aug.
Habitat: Meadows in pine or fir forests, roadsides.
Elevation: 1800–3100 m.

Distribution

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N.Mex.

Discussion

Lupinus sierrae-blancae is known only from the Sierra Blanca and Sacramento Mountains in Lincoln and Otero counties.

Selected References

None.

Lower Taxa

None.