Erect ephemeral, to 12 cm high, simple or branched near base. Leaves few, scattered or sometimes gathered near the base but never rosetted, linear-lanceolate, 1–4 mm long, 1–3 mm wide. Flowers 3–6, shortly pedicellate in an irregular corymb. Calyx linear, c. 5 mm long, glandular-hairy, lobes shorter than the tube, subequal, 2 united almost to the tips; corolla 3–4 mm across, whitish to pale pink, usually darker toward lobe apices, lobes c. equal, paired vertically, c. oblong, blunt, labellum minute, ovate, pointed, throat appendages absent; column c. 1 mm long; anthers dark-rimmed, pollen whitish; stigma cushion-like. Capsule linear, c. 7 mm long; seeds c. 0.3 mm long, ellipsoid, dark brown, smooth to minutely ridged. Flowers Oct.–Dec.