Perennial, succulent herb, prostrate, much branched, forming dense cushions, rooting at nodes, 0.01-0.05 m high, glabrous. Leaves elliptic to oblanceolate, 1.5-3.0 x 0.51.5 mm, obtuse, minutely papillose, fleshy, green to red; petioles absent to short. Flowers solitary in axils of leaves. Calyx minutely papillose at apex. Corolla cup-shaped, scarcely fused at base, white; lobes elliptic-oblong, 2-3 mm long, acute, recurved. Flowering time Dec.-Apr.
Delicate, prostrate, cushion-forming perennial to 20 cm diam., with wiry stems Leaves opposite, small, elliptic-oblanceolate. Flowers 1-few in upper axils, cup-shaped, white to pinkish, petals 2-3 mm long.