State Rank Reason (see State Rank above)
Common in portions of western Montana on rock outcrops, moraines, and stony, exposed slopes in the subalpine to alpine zones, as such it generally is not being directly impacted by human-casued activities.
Stems sterile and fertile, mat-forming, prostrate and woody at the base, ascending distally, 5-15 cm. Herbage glabrous, puberulent on the stems. Leaves all cauline, serrate; those of sterile stem petiolate, blades elliptic,1–3 cm long; those of fertile stems sessile, elliptic to obovate, serrate. Inflorescence a few-flowered, glandular-pubescent raceme. Flowers: calyx 8–15 mm long; sepals linear to lanceolate, 7–9 mm long; corolla light lavender, 25–35 mm long, glabrous; anthers wooly-villous, opening across their full length. Capsule 8–11 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)