Astragalus peckii
Proc. Biol. Soc. Wash. 37: 92. 1924.
Plants (1–)5–20 cm, strigose-pilosulous; caudex with persistent petioles. Stems prostrate, strigose-pilosulous. Leaves 1–3.5 cm; stipules connate, 1–3 mm, submembranous becoming scarious at proximal nodes; leaflets 7–13, blades lanceolate, oblanceolate, or linear-elliptic, 1–6 mm, apex acute or subacute, surfaces strigose-pilosulous, sometimes glabrescent adaxially; terminal leaflets decurrent distally, not jointed to rachis, often recurved. Peduncles straight, 0.7–2 cm. Racemes 5–9-flowered; axis 1–2 cm in fruit; bracts 1–1.5 mm; bracteoles 0. Pedicels 1–2.5 mm. Flowers 5–7.5 mm; calyx 3.3–4.4 mm, strigulose, tube 1.8–2.1 mm, lobes subulate, 1.4–2.4 mm; corolla ochroleucous, banner veined purple; banner recurved through 90–100°; keel 4–4.5 mm. Legumes deflexed, stramineous, incurved, subsymmetrically oblong-ellipsoid, 3-sided compressed, 5–8 × 1.9–3(–3.3) mm, papery, white-pilose; septum 0.8–1.7 mm wide; stipe 0.1–0.5 mm. Seeds 6–9.
Phenology: Flowering Jun–early Aug.
Habitat: Flats, slopes, under sagebrush, in pumice sand or fine volcanic grit.
Elevation: 700–1000 m.
Distribution
Oreg.
Discussion
Astragalus peckii occurs along the eastern base of the Cascade Range in Crook, Deschutes, and Klamath counties.
Selected References
None.