Perennial with rhizome-like caudex branches. Stems erect, horizontally branched, 40–60 cm with white, peeling epidermis, glandular above. Herbage strigose. Leaves cauline, linear-lanceolate or oblanceolate, entire to weakly serrate, 2–10 cm long with fascicles in some axils. Flowers white; hypanthium 15–30 mm long, glandular; sepals 1–2 cm long, united to one side; petals 15–20 mm long; stigma lobes 4–6 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus pensylvanicus
and Bombus impatiens
(Colla and Dumesh 2010).