Slender perennial, decumbent and matted, with basal leafy stolons. Stems ascending, to 10 cm high, pubescent with short somewhat curved hairs in broad lines decurrent from the leaf bases. Leaves crowded, opposite at base, alternate in the flowering region, usually linear to narrowly elliptic, 0.5–1.5 cm long, with spaced and distinct or small and inconspicuous teeth, usually tapering at both apex and base. Flowers with a projection at base of each sepal; hypanthium glabrous. Petals 3.4 mm long, purplish pink. Capsule 2–2.4 cm long, glabrous; pedicel closely pubescent, 2–3 cm long. Seeds very narrowly obovoid, 1.3–1.4 mm long, comose.