Glabrous, short-lived perennial. Stems erect, 20–80 cm. Leaves: basal few; cauline lanceolate to oblanceolate, 2–7 cm long. Inflorescence a narrow cyme. Flowers: calyx ca. 20-veined, ellipsoid, 8–11 mm long; petals white; the blade 2-lobed, to 5 mm long with 2 appendages; styles 3 the stigmas exserted. Capsules slightly longer and broader than calyx, opening by 6 slits (Lesica et al. 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 vagans
, Bombus pensylvanicus
, and Bombus impatiens
(Colla and Dumesh 2010).