Plants perennial, 7–30 cm, herb­age cinereous or silvery-canescent. Leaves 3–8 cm; leaf­lets 11–19(or 21), blades obovate or elliptic, 2.5–11 mm, apex obtuse or emarginate. Peduncles (1–)2–5.5 cm. Racemes 10–15-flowered, short and compact in fruit; axis 0.5–4(–5) cm in fruit. Flowers 9–10.5 mm; calyx 4.2–5.5 mm, tube 3.2–4 mm, lobes 0.8–1.4 mm; corolla purple. Legumes mottled becoming stramineous, plumply ovoid-acuminate or subglobose, bladdery-inflated, 14–22(–30) × 10–16(–18) mm, papery, strigulose; beak erect, triangular, 3–6 mm, unilocular. Seeds 20–26.

Phenology: Flowering late Apr–Jul.
Habitat: Ponderosa pine forests.
Elevation: 1500–2600 m.

Distribution

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Calif.

Discussion

Variety antonius, from the eastern end of the San Gabriel Mountains in eastern Los Angeles and adjacent San Bernardino counties, is the homologue of var. sierrae, from which it differs by its much denser pubescence and mostly flat leaflets (D. Isely 1998).

Selected References

None.

Lower Taxa

None.