Much-branched shrub to 1.5 m. Branchlets spreading to erect, 4-angled and 4-sulcate. Cataphylls dark brown or black. Flowers mostly solitary; pedicels 3-4 mm long. Sepals broadly ovate-deltoid, 1.6-1.8 mm long. Petals ovate, oblong-ovate or narrowly deltoid, 4.2-7 mm long, white. Stamens inserted on margin of disc; filaments 1.7-2.8 mm long; anthers 0.7 mm long. Disc thin, 2.5-2.8 mm diam. Ovary scarcely or not immersed in disc, 3-locular; style 1-2 mm long; stigma entire or obscurely 3-lobed. Capsule ellipsoidal, 3-valved, 7 mm long, 4 mm wide, 1(-2 or more)-seeded. Seed (immature) narrowly ellipsoidal, 4 mm long, 1 mm wide, nearly half immersed in aril.