Penstemon eriantherus Pursh var. whitedii (Piper) A. Nels.
Annotated by Ben Legler, Apr 2017.

Washington: Chelan County: [locality and coordinates withheld; status in Washington: G4T2/S2 (Threatened; WANHP)],
Steep, eroding, mostly bare slope of fine scree and sand derived from exposures of ultramaphic, granitic, and sandstone rock; with scattered Eriogonum niveum, Chrysothamnus nauseosus, Astragalus purshii, Bromus tectorum. Corolla pale purple with dark purple streaks near throat, the throat open, bearded, lobes widely spreading; anther sacs glabrous, with lines of dehiscence their full length; staminode long-bearded; ovary glandular-pubescent; plants strongly viscid-glandular; stems in small clumps; frequent in shrink-swell clay and fine scree, over both ultramaphic and other substrates. Photographed. Phenology: Flowers.

Ben Legler 14489, Apr 30, 2017
WTU, Accession: 430761, Barcode: WTU-V-089040