Shrubs, 1-3 m tall; branches sturdy, apex spiny, short branches growing near apex. Petiole usually sturdy, 5-8 mm; leaf blade broadly obovate or broadly elliptic, rarely rounded or obcordate, 3-7 × 2-5 cm, leathery to thickly leathery, base cuneate, margin acutely serrate, apex shortly acute, rounded or emarginate; lateral veins 7-12 pairs, more obvious on abaxial surface. Cymes axillary or 2 or 3 aggregating in upper spiny short branches, 3 or 4 × branched, dichotomous or monochasial; peduncle slightly flat, 1-2 cm; branches and pedicels slightly short, 2-5 mm. Flowers white, 3-4 mm in diam.; sepals triangular or ovate-rounded; petals oblong or oblong-ovate. Capsule subobovoid, 8-10 mm, 3-valved. Fl. May-Jun, fr. Aug-Nov.
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