Shrub 0.3–2 m high, densely branched, procumbent to erect. Leaves usually crowded, oblong to obovate, not spreading widely, 2–4 mm long, to 1 mm wide, thick, concavo-convex, not keeled below; apex more or less acute; base attenuate. Flowers solitary in axils, white, to 8 mm across; pedicel to 1 mm long; bracteoles absent; hypanthium obconical; calyx-lobes obtuse, triangular; petals orbicular, 1–1.5 mm long; stamens usually 5(–7), filaments geniculate; ovary 2-celled, almost flat-topped. Fruit cuplike, to 2 mm diam.; seeds angular. Flowers Dec.–Feb.