Astragalus nevinii

Plants 8–30+ cm, soft-villosu­lous, appearing gray or ashy. Stems spreading to ascending, erect when young, canescent-tomentulose, dis­tinctly woody when over-wintering. Leaves 2–8 cm; stipules 2–5 mm, papery at proximal nodes; leaflets 11–25, blades oblong-obovate, -elliptic, or -oblanceolate, (1.5–)3–12 mm, apex obtuse or retuse, surfaces villosulous. Peduncles ascending, sometimes humistrate in fruit, 6–12 cm. Racemes densely (15–)20–30-flowered; axis 2–4 cm in fruit; bracts 1.5–3 mm; bracteoles 0–2. Pedicels 0.5–2 mm. Flowers 10.6–12.7 mm; calyx campanulate, 5.7–6.4 mm, villosulous, tube 3.8–4.5 mm, lobes broadly subulate, 1.4–2.4 mm; corolla pale yellow, concolorous; keel 9–10 mm. Legumes brown-stramineous, lunate, obliquely narrow-ellipsoid, 3-sided compressed, 14–20 × 3–5 mm, thinly fleshy becoming stiffly papery, glabrous; septum 1–1.3 mm wide; stipe 4.5–9.5 mm. Seeds 16–20.

Phenology: Flowering Feb–Jul.
Habitat: Sandy flats, dunes, sandy bluffs, on or near shore.
Elevation: 0–300 m.

Distribution

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Calif.

Discussion

Astragalus nevinii is restricted to San Clemente Island.

Selected References

None.

Lower Taxa

None.