Astragalus flexuosus Douglas
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Fabaceae
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Scientific Name
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Description
Species Description - Stems scattered along the branches of a subterranean caudex, ± ascending, 2–6 dm, branched, thinly canescent, the hairs basifixed; stipules ± free; lfls 11–25, linear to oblong or oblanceolate, 5–15 mm, strigose beneath; racemes 2–3 cm at anthesis, later elongating, with 12–25 white or purplish fls 8–11 mm; cal-tube 3–4 mm, the lobes triangular, 0.5–1.5 mm; fr spreading or pendulous, 1.2–2.5 cm × 3–5 mm, linear-oblong, firm, subterete, scarcely or not sulcate, minutely strigose, sessile or nearly so; 2n=22. Sandy prairies and bluffs; w. Minn. to Sask., se. B.C., N.M., and Ariz. Ours is var. flexuosus. (Pisophaca f.; P. elongata)
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Common Names
pliant milk-vetch