Plants robust, 15–55(–80) cm, strigulose; caudex branched. Stems erect or ascending, densely silvery white-strigulose. Leaves (2.5–)5–15(–16.5) cm; stipules 1.5–5 mm, papery; leaflet blades linear or linear-oblong, (3–)5–25(–34) mm, apex truncate-emarginate or sub­acute, surfaces sparsely strigulose abaxially, densely silvery white-strigulose adaxially. Peduncles erect, (5–)7–20 cm. Racemes (4 or)5–20(–28)-flowered; axis (2–)3–13 cm in fruit; bracts 0.7–2.5 mm; bracteoles 2. Pedicels 0.9–3 mm. Flowers 15–22 mm; calyx 5.5–9.5 mm, strigose, tube 3.6–5 mm, lobes subulate, (1.5–)1.8–4.3 mm; corolla keel 10.7–15.3 mm. Legumes brownish or stramineous, strongly laterally compressed, 12–28 × 4–7.5 mm, fleshy becoming leathery or sub­ligneous, glabrous; septum 3.5–6 mm wide; stipitate (stipe 4–8 mm).

Distribution

California.

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Lower Taxa

Astragalus pachypus var. jaegeri, Astragalus pachypus var. pachypus

Key

1	Calyx tubes 4.5–5 mm wide, lobes (1.5–)2.7–4.3 mm; corollas white or faintly lavender, rarely suffused with pink or lilac, banners 17–22 mm, keel 12.3–15.3 mm; leaflets 11–19(or 21); Kern and Ventura counties and northward.	Astragalus pachypus var. pachypus
1	Calyx tubes 3.7–4 mm wide, lobes 1.8–2.9 mm; corollas clear lemon yellow, banners 15–17 mm, keel 10.7–12.6 mm; leaflets (15 or)17–25(or 27); Riverside County.	Astragalus pachypus var. jaegeri