Erect ephemeral to c. 4 cm high. Leaves few, rosetted, linear-ovate, 2–4 mm long, 1–2 mm wide. Flowers usually solitary. Calyx globose, c. 1 mm long, sparsely glandular-pubescent, lobes longer than the tube, one more deeply set than others; corolla c. 3 mm across, white, lobes paired vertically, oblong-oblanceolate, posterior pair each usually with a small basal lobe, slightly to distinctly shorter than anterior pair, labellum acute, petal-like, cupped, throat appendages absent; column c. 1 mm long; anthers pale, pollen golden; stigma fan-shaped and brush-tipped. Capsule globular, c. 2 mm long; seeds c. ellipsoid, c. 0.2 mm long, smooth. Flowers Oct.–Nov.