EcoFlora - Astragalus laxmannii var. robustior

Astragalus laxmannii var. robustior (Hook.) Barneby & S.L.Welsh
Family: Fabaceae [Astragalus adsurgens Pall., more] Paul Rothrock	Gleason & Cronquist Resources Vascular plants of NE US and adjacent Canada Much like no 15 [Astragalus agrestis Douglas], but with pick-shaped (malpighian) hairs, sometimes more densely pubescent, and with the stems arising from a surficial crown or caudex surmounting the taproot; stipules soon becoming pale and scarious; fls purple to ochroleucous, 12-20 mm; fr densely strigulose; 2n=32. Prairies, plains, and foothills, often in rocky or gravelly places; Minn., w. Ont., and n. Io. to N.M., Oreg., and Alas., and widespread in Asia. June. Ours is var. robustior Hook. (A. chandonnettii; A. striatus) Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp. ©The New York Botanical Garden. All rights reserved. Used by permission.
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