Sometimes short-rhizomatous. Leaf blades hirsute on margins and upper surface, 1–4 cm long, lanceolate to oblanceolate; ca. as long as the petioles. Flowers: peduncles 1–5 cm long; calyx 5–9 mm long; corolla rotate, white with purple lines, 7–12 mm long; tube much shorter than the lobes (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).