Shrubs, to 5 m tall. Branches purple-red, glabrous or slightly pubescent, with slender recurved prickles on nodes. Petiole 0.5-6 cm, glabrous; petiolules very short; leaflets 3-5, oblong-lanceolate or oblanceolate, 4-5.5 × 0.5-1.6 cm, papery, abaxially glabrous or pilose, adaxially glabrous or with sparse fine bristles, secondary veins 4-8 pairs, inconspicuous, base attenuate, margin crenate-serrate, or serrulate or biserrulate, apex acute or shortly acuminate. Inflorescence terminal, a solitary umbel, borne on leafy shoots; peduncles 1.5-5 cm; pedicels 1-1.7 cm, glabrous. Calyx subentire or with 5 teeth, glabrous. Corolla yellowish green. Ovary (3-)5-carpellate; styles united at base. Fruit subglobose, 6-7 mm; styles persistent, ca. 1.5 cm. Fl. Jun-Jul, fr. Sep-Oct.
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