Annual or biennial. Stems 15–50 cm, hairy near nodes. Leaves hirsute, linear, 2–8 cm long, those of the stem erect. Inflorescence of few, bracteate, several-flowered, tight clusters. Flowers: calyx ca. 20-veined, 10–20 mm long, pubescent; petals deep pink with white dots, 15–22 mm long. Capsule 10–16 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 species or genera where their geographic ranges overlap: Bombus occidentalis
(Thorp et al. 1983).