Annual herb, scapeless, forming discrete cushions c. 1 cm across, pilose, including calyx. Leaves elliptic or lanceolate, 3–7 mm long, 0.9–2.5 mm wide. Flowers in simple few-flowered terminal umbellate clusters; pedicels c. 1 mm long. Calyx campanulate; tube c. 1 mm long; lobes foliaceous, 2.7–3.5 mm long, attenuate. Corolla white; tube 0.5–1 mm long; lobes 0.3–0.5 mm long. Stamens 0.4–0.5 mm long; anthers minutely apiculate; dehiscence extrorse. Capsule ±turbinate, c. 1.5 mm long, glabrous or base of horns minutely puberulous; stigma sessile.