Herbs, perennial, to ca. 1 m tall, with stout, elongate rhizome. Leaves 1-3-pinnately compound (upper ones 1-or 2-pinnate); petiole ca. 15 cm; petiolules to 1.2 cm (terminal one to 3 cm), glabrous or sparsely pilose; leaflets 3-5 per pinna, broadly ovate or oblong-ovate, 8-15 × 5-7 cm, membranous, both surfaces scabrous, pubescent on veins abaxially, secondary veins 5 or 6 pairs, conspicuous on both surfaces, tertiary veins conspicuous only abaxially, base cordate, margin serrate, apex acuminate. Inflorescence a few branched terminal or axillary corymb of umbels, glabrous or sparsely pilose; bracts lanceolate, 2-3 mm; umbels racemosely arranged, 10-20-flowered; pedicels 2-5 mm, glabrous or slightly scabrid. Ovary 5-carpellate; styles 5, basally united, apically free. Fruit subglobose, ca. 5 mm in diam.; styles persistent, free arms radiating. Fl. Jul-Aug, fr. Oct-Nov.
Forests or thickets, streambanks;usually in relatively rich habitats; at elevations from 1,750-3,400 metres.
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