State Rank Reason (see State Rank above)
Over 40 collections at MONTU from sw Montana mountain ranges.
Taprooted-rooted with a simple or slender-branched caudex. Stems ascending to erect, simple, 2–10 cm. Herbage spreading-puberulent on stems and leaf undersides. Basal leaves petiolate; blades oblanceolate, entire, 5–30 mm long. Stem leaves narrower, becoming sessile. Inflorescence a solitary, terminal flower. Flowers erect; hypanthium puberulent; sepals linear-lanceolate, 3–4 mm long, erect; corolla campanulate, 7–10 mm long; style ca. as long as the corolla; stigmas 3. Capsule erect, 4–6 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)