Astragalus arrectus Gray
Annotated by Katie Mitchell, May 2003. Sources: Flora of PNW. Remarks: Determination confirmed by Ben Legler on 5 Feb 2016.

Washington: Lincoln County: [locality and coordinates withheld; status in Washington: G2G4/S2 (Threatened; WANHP)],
Rocky slope. Associated plants: Brodiaea douglasii, Purshia tridentata, Eriogonum sp., Agropyron sp., Poa bulbosa, Bromus tectorum, Lithophragma parviflora, Lupinus sp., scattered Pinus ponderosa, Amelanchier alnifolia, other grasses. Many flowering stalks per plant, some grazed! Leaflets odd pinnate, 21-29 per leaf, all jointed to the rachis. Stipules not united opposite the petiole. Pods stipitate (stipe length approximately 7 millimeters), 1 celled, erect, 16-18 millimeters, lower suture has a small flange that partially divides the fruit. Flowers: banner 14-15 millimeters long, corolla ochroleucous. Pubescence: dark, strigillose, basifixed on leaves, stems, and calyx. Phenology: Flowers and Fruits.

Katie Mitchell s.n., May 1, 2003
WTU, Accession: 410228, Barcode: WTU-V-024308