Shrubs, evergreen, 1-3 m tall. Branches dark gray, terete, glabrous; shoots gray, sulcate, scarcely verruculose; spines 3-fid, pale yellow, 1-4 cm. Petiole 2-6 mm; leaf blade abaxially yellow-green, adaxially deep green, lanceolate, elliptic-lanceolate, or obovate-lanceolate, 3-13 × 1-2.2 cm, leathery, abaxially with conspicuously raised midvein, lateral veins slightly raised, adaxially with obviously impressed midvein, lateral veins slightly visible, both surfaces with inconspicuous reticulate veins, base attenuate, margin often revolute, 15-30-spinose-serrate on each side, apex subacuminate. Flowers 2-5-fascicled. Pedicels reddish, 1-2.5 cm; bractlets broadly ovate, apex obtuse. Sepals in 2 whorls, obovate; outer sepals ca. 3.5 × 3 mm; inner sepals ca. 5 × 4 mm. Petals oblong-obovate, ca. 4 × 2.3 mm, base clawed, with approximate glands, apex emarginate. Stamens ca. 3 mm; anther connective slightly prolonged, apiculate. Ovules 2, sessile. Berry obovoid, 6-9 × 5-6 mm, not pruinose, style not persistent. Fl. Apr-May, fr. Jun-Oct.
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