Stems erect, 5–10 cm, with erect branches. Herbage glabrous. Leaves erect, 1–2 cm long. Petals ca. 1 mm long. Capsule subsessile, erect, 6–10 mm long, flattened; seeds 24 to 50, glabrous, oblique and side-by-side between locules (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).