Loosely tufted, mat-forming subshrub; stems to 18 cm long, ascending, light green or reddish, rooting at nodes. Leaves somewhat scattered, linear-cylindrical to ovoid-globose, 4–12 mm long, thick, somewhat flattened on the upper surface, obtuse, mid green, often reddish. Inflorescence a dense terminal subcorymbose cyme to c. 6 cm long. Flowers 1.5–3 mm diam., pedicellate; sepals ovate, c. 1 mm long; petals lanceolate-elliptic, 2–4 mm long, ± acute, white, rarely pink; stamens 10. Follicles c. 2.5–3 mm long, erect, whitish-pink. Flowers Dec.–Feb.