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Evergreen shrub or tree, up to 6 m high, with slender thorns. Branches angular, becoming terete, with pale lenticels. Stipules conspicuous, thread-like. Leaves fascicled or alternate; lamina ovate, lanceolate to subcircular, 10-40 x 6-25 mm, apex acute to rounded, base subcordate to cuneate, margins irregularly toothed; midrib raised on both sides; petioles 2-10 mm long. Inflorescence axillary cymes. Flowers white. Sepals 0.4-1.0 mm long, margins ciliolate. Petals 1.5-2.7 mm long, margins ciliolate. Male flowers: stamens slightly shorter than petals. Female flowers: staminodes much shorter than stamens in male flowers; ovary 3-locular; stigma 3-branched. Fruit a 3-valved, globose capsule, 7-13 mm long, white, becoming pink to red, smooth, semifleshy. Seeds completely enveloped by orange aril.
