familyFabaceae
subfamilyFabaceae subfam. Faboideae
genusAstragalus
sectionAstragalus sect. Genistoidei
speciesAstragalus convallarius
Astragalus convallarius var. margaretiae
Brittonia 36: 167. 1984. (as margaretae)
Stems (15–)18–30 cm. Leaflets 7–11 throughout, blades 3–13 mm. Bracteoles 0. Pedicels 0.5–1.5 mm. Flowers 9–10 mm; calyx 4.5–5 mm, tube 3–4 mm, lobes 0.8–1.2 mm. Legumes narrowly oblanceolate, 13–20 × 3.5–5 mm, tapering downward into calyx from obliquely triangular apex. Seeds 14–20.
Phenology: Flowering May–Jun.
Habitat: Sagebrush and pinyon-juniper woodlands.
Elevation: 1400–2800 m.
Discussion
The disjunct var. margaretiae is restricted to the Pine Nut Mountains of west-central Nevada.
Selected References
None.
Lower Taxa
None.