Lupinus argenteus var. palmeri
Great Basin Naturalist 46: 257. 1986.
Endemic
Basionym: Lupinus palmeri S. Watson Proc. Amer. Acad. Arts 8: 530. 1873
Synonyms: L. candidissimus Eastwood L. clokeyanus C. P. Smith L. fontis-batchelderi C. P. Smith L. inyoensis var. eriocalyx C. P. Smith L. jaegerianus C. P. Smith L. junipericola C. P. Smith L. keckianus C. P. Smith L. portae-westgardiae C. P. Smith
Treatment appears in FNA Volume 11.
Herbs 3–6 dm, hairs descending in backward direction or widely spreading. Stems branched. Leaves cauline; petiole 4–10 cm; leaflet blades narrow and folded, oblanceolate or elliptic-oblanceolate, surfaces densely gray spreading-hairy and silvery-silky. Pedicels 2–7 mm. Flowers 8–10(–12) mm; calyx bulge or spur less than 1 mm; corolla blue, banner hairy abaxially. 2n = 48.
Phenology: Flowering May–Jun.
Habitat: Dry, open montane forests, ponderosa pine and pinyon-juniper woodlands.
Elevation: (1400–)1700–3100 m.
Distribution
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Ariz., Calif., Nev., N.Mex., Utah, Wash.
Discussion
Variety palmeri is widespread over central and northwestern Arizona and adjacent New Mexico, and through high elevations in California, Nevada, Utah, and Washington.
It is similar to variety argenteus except stem pubescence is of mixed long-spreading and short hairs.
Selected References
None.
Lower Taxa
None.