Shrubs, evergreen, to 2 m tall. Branches brown; shoots stramineous, glabrous, sulcate; spines 3-fid, concolorous, to 3 cm, stout. Leaves subsessile; leaf blade lanceolate, 3-6.5 × 0.7-1 cm, subleathery, abaxially with raised midvein, lateral veins inconspicuous, adaxially with complanate or slightly impressed midvein, lateral veins conspicuous, base cuneate, margin 7-15-spinose-serrate on each side, apex acute or shortly acuminate. Flowers solitary. Pedicels 3-4 mm. Berry black, oblong, 9-12 × 6-7 mm, blue pruinose, style not persistent; seeds 1 or 2. Fl. unknown, fr. Nov.
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