Shrubs, evergreen, to 2 m tall. Branches sulcate, scarcely black verruculose; spines 3-fid, 7-15 mm, slender, adaxially sulcate. Petiole 2-4 mm; leaf blade abaxially brownish yellow, adaxially shiny, castaneous, elliptic-oblanceolate, 4-9 × 1.5-2.5 cm, leathery, both surfaces not pruinose, abaxially with raised midvein and lateral veins, adaxially with impressed midvein and lateral veins, both surfaces with visible reticulate veins, base cuneate, margin sometimes slightly revolute, 35-60-spinose-serrate on each side, apex acute, aristate. Flowers 8-18-fascicled. Pedicels 1-2 cm, slender, glabrous; bractlets reddish, ca. 1.5 mm. Sepals in 2 whorls, ovate, ca. 5 × 3 mm. Petals narrowly obovate, 3.5-4.5 × 1.5-2.5 mm, base clawed, with separate glands, apex emarginate. Stamens ca. 3 mm; anther connective truncate. Ovules solitary, subsessile. Berry black, ellipsoid or ovoid, 7-8 × 5-6 mm, not or sometimes slightly pruinose, style persistent. Fl. and fr. Jun-Oct.
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