Shrubs. Branches purple, with recurved prickles 1.5-3 mm, base decurrent. Petiole 3-12 cm, with small prickles, glabrous; petiolules 1-10 mm; leaflets 3-5, obovate or broadly elliptic, 7-11.5 × 3.5-5 cm, secondary veins 6-8 pairs, distinct, base cuneate or broadly so, margin irregularly biserrate, teeth awned, apex acute, shortly acuminate, or caudate. Inflorescence terminal, a raceme of umbels, borne on leafy shoots, with a terminal umbel and almost always 1 to several verticals of flowers, and also often with several flowers borne individually at base; pedicels 1-1.5 cm, pubescent. Calyx with 5 teeth. Ovary (3-)5-carpellate; styles free. Fruit globose, ca. 5 mm in diam.; styles persistent, free portions recurved. Fl. Jul, fr. Aug.
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