Lianas, woody. Branchlets gray, terete, transversely corrugated when dry, flaky when old, glabrous; tendrils bifurcate. Leaves pedately 5-7-foliolate; petiole 6.5-9 cm; central petiolule 2-4.5 cm, petiolules of lateral leaflet complex 2-4 cm, lateral petiolules 0.5-1.5 cm, glabrous; leaflets elliptic or obovate-elliptic, 7-13 × 4-7.5 cm, lateral leaflets nearly as long as or slightly shorter than central leaflet, glabrous, lateral veins 3-5 pairs, veinlets inconspicuous, base broadly cuneate or subrounded, margin 3-5-toothed on each side, teeth fine, sometimes inconspicuous, apex acute or cuspidate. Dichasium axillary, ca. 7 cm; peduncle ca. 2.8 cm, glabrous. Buds elliptic, 2.5-3 mm, apex rounded. Calyx saucer-shaped, glabrous, margin undulately lobed. Petals elliptic, 2-2.5 mm, apex galeate, glabrous. Stamens 4; anthers elliptic. Disk distinct and 4-lobed in male flowers. Berry globose or pyriform, 8-10 mm in diam. Seeds spheroid, surface with netlike corrugations. Fl. Aug, fr. Oct-Apr.
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