Shrubs, evergreen, to 3 m tall. Branches purplish brown, terete, sulcate, glabrous; internodes 5-8 cm; spines 3-fid, concolorous, 1-3.5 cm, stout, adaxially sulcate, sometimes weak or absent. Petiole 3-5 mm, sometimes leaf subsessile; leaf blade abaxially brownish red, adaxially yellow-green, lanceolate, elliptic-lanceolate, or elliptic, 6-13 × 2-3.5 cm, leathery, abaxially with raised midvein and lateral veins, reticulate veins visible, adaxially with slightly impressed midvein, lateral veins visible, reticulate veins inconspicuous, base cuneate, margin 15-35-spinose-serrate on each side, apex acuminate. Flowers 6-12-fascicled. Pedicels 1.5-2 cm. Sepals in 2 whorls; outer sepals suborbicular, ca. 4 × 3.5 mm, apex rounded; inner sepals elliptic, ca. 7 × 5 mm. Petals obovate, ca. 6 × 3.5 mm, base cuneate, with separate glands, apex entire, rounded. Stamens ca. 4.5 mm; anther connective prolonged, truncate. Ovules solitary. Berry black, oblong-ellipsoid, 7-8 × ca. 3 mm, not or slightly pruinose, style not persistent. Fl. Apr-May, fr. Oct-Nov.
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