Lupinus polyphyllus var. saxosus
Intermount. Fl. 3(B): 240. 1989.
Endemic
Basionym: Lupinus saxosus Howell Erythea 1: 110. 1893
Synonyms: L. saxosus var. subsericeus (B. L. Robinson ex Piper) C. P. Smith L. subsericeus B. L. Robinson ex Piper
Treatment appears in FNA Volume 11.
Herbs (1–)1.5–4 dm; caudex superficial, divisions closely tufted, not rhizomelike. Stems incurved-ascending, not hollow. Leaflets 6–9(–12), blades 10–40(–45) mm, surfaces abaxially with spreading hairs, adaxially glabrous or marginally hairy. Flowers: upper keel margins ± sparsely ciliate. 2n = 48.
Phenology: Flowering (Apr–)May–Jun(–Jul).
Habitat: Sagebrush scrub, arid microhabitats.
Elevation: 1000–2500 m.
Distribution
Calif., Idaho, Nev., Oreg., Wash.
Discussion
Variety saxosus is known from the Modoc Plateau in northeastern California, eastern and northern Nevada, eastern Oregon, eastern Washington, and southwestern Idaho.
Selected References
None.
Lower Taxa
None.