Shrubs, with very spiny straight or slightly zigzag branches; thorns sturdy, 1-2.5 cm, axillary on annual branches. Petiole 2-4 mm; leaf blade obovate or elliptic, 1.5-4 × 0.5-2 cm, thickly papery, base cuneate, margin entire or not obviously crenate, apex acute or obtuse, rarely rounded; lateral veins 5 or 6 pairs, quite tenuous. Cymes 1 to several, fascicled, 1-7-flowered; peduncle 2-5 mm when fruiting; branches and pedicels ca. 5 mm when fruiting. Petals white, oblong-ovate (flowers not seen). Capsule obtriangular, ca. 1 mm, dehiscing into 3 valves. Seeds long ellipsoid, black, ca. 6 mm; aril red, nearly covering seed. Fr. Jun.