familyFabaceae
subfamilyFabaceae subfam. Faboideae
genusAstragalus
sectionAstragalus sect. Nudi
speciesAstragalus serenoi
Astragalus serenoi var. shockleyi
Brittonia 36: 168. 1984.
Common names: Shockley’s milkvetch
Endemic
Basionym: Astragalus shockleyi M. E. Jones Proc. Calif. Acad. Sci., ser. 2, 5: 659. 1895
Treatment appears in FNA Volume 11.
Stems 20–45(–53) cm. Leaves 5–11(–15) cm. Peduncles 9–18 cm. Racemes (3–)9–16-flowered; axis (2–)5–15 cm in fruit. Corollas purple, petals strongly graduated; banner 17–20 mm. Legumes plumply oblong, straight or slightly incurved 17–31 × 5–12 mm, semibilocular, septum 2–4 mm wide.
Phenology: Flowering May–Jun.
Habitat: Tuff and gravel to clay washes.
Elevation: 1400–2000 m.
Discussion
Variety shockleyi is known from Lyon and Mineral counties, western Nevada, to Inyo and Mono counties in eastern California.
Selected References
None.
Lower Taxa
None.