Perennial. Stems decumbent, branched, 10–35 cm. Leaves cauline, linear, 1–6 cm long, entire. Vestiture grayish with appressed, dolabriform hairs. Inflorescence a simple, narrow, many-flowered raceme. Flowers white to pink; sepals 1–2 mm long; petals 2–3 mm long. Fruit elliptic, flattened, 2–4 mm long, sparsely hairy; pedicels 5–11 mm long; style 0.5 mm long; seeds 1 per locule (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).