Astragalus adstrgens subsp. robustior (Hook.) Welsh
 
FamilyLeguminosae — APG family: Fabaceae
SynonymsAstragalus adsurgens var. robustior Hook., Astragalus striatus Nutt.
DescriptionStems several, stout, ascending from woody taproot; stipules scarious, clasping, connate; leaflets 9-23, narrowly oblong to oblong-ovate, strigillose, with hairs forked into 2 horizontal branches; flowers white or pale purplish to purple; calyx teeth 1.4—4.2 mm long, white to blackish, strigillose; banner longer than wings, slightly reflexed; pod sessile, erect, membranaceous, thick and broad, strigillose.
EcologyDry slopes, rocky places, riverbanks. A. adsurgens described from Transbaikalia and Mongolia, subsp. robustior from the Columbia River.
Taxonomy
notes
Broken line on circumpolar map indicates tentative range of subsp. adsurgens.
Hultén's Flora About

This is a digital representation of Eric Hultén’s ‘Flora of Alaska and Neighboring Territories: A Manual of the Vascular Plants’, which was published by Stanford University Press in 1968. The book was digitized by C. Webb (at UAMN) as part of the Flora of Alaska project, with funding by the US NSF (Grant 1759964 to Ickert-Bond & Webb), and with permission of Stanford University Press. Data and images © 1968 Board of Trustees of the Leland Stanford Jr. Univ. Usage licence: Creative Commons BY-NC-SA 4.0. NB: You may find OCR errors; please refer to the hard-copy if in doubt.