Stems erect, usually simple, 10–60 cm. Leaves 2–10 cm long. Flowers: calyx 6–10 mm long; sepals unequal; corolla yellow to orange, tube 7–9 mm long, lobes 1–2 mm long; fornices hairy; stamens inserted at or below middle of the tube. Nutlets ovoid, 2–3 mm long, green to brown (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).