Shrubs, evergreen, to 1.3 m tall. Branches pale gray, sulcate; spines 3-fid, terete, 1-1.5 cm. Leaves shortly petiolate; leaf blade abaxially shiny, pale green, adaxially shiny, green, elliptic to oblong-elliptic, 1-2.5 × 0.7-1 cm, leathery, abaxially not pruinose, midvein and lateral veins markedly raised, adaxially with impressed midvein, lateral veins conspicuous, base cuneate, margin sometimes revolute, 2-8-spinose-serrate on each side, apex acute. Flowers solitary. Pedicels 1.2-1.6 cm, glabrous. Sepals in 2 whorls; outer sepals smaller than inner sepals. Petals 6, base with separate glands. Stamens 9. Ovules 4, sessile. Berry black, ellipsoid, ca. 8 × 5 mm, not pruinose; style persistent, short. Fl. May-Jun, fr. Sep-Oct.
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