形态特征：Scandent shrub; bark on older stems deeply cracked; branches terete, succulent, softly pubescent; tendrils branched. Leaves digitate, 5-foliolate, soft-pubescent when young. Petioles 7-15 cm long; stipules falcate, ca 1 x 0.5 cm; terminal leaflet obovate to rhomboid or elliptic, cuneate at base, serrate at margin, acute to short-acuminate at apex, 10-13 x 5.5-8.5 cm; petiolules 1-2 cm long; lateral leaflets 7-12 x 4-7 cm; petiolules ca 1 cm long. Inflorescences axillary or pseudoterminal much branched divaricate cymes, 11-26 cm long; peduncles 8-19 cm long, pubescent. Flowers contracted in middle, pubescent; pedicels 2-3 mm long. Calyx cupular, truncate. Petals oblong, ca 2.5 x 1.5 mm. Disc of 4 glands, covering most of ovary. Ovary pyramidal, hairy. Berries globose, ca 1 cm, alate when dry, 1-seeded; Seed oblong-obovoid to subglobose, with a crest on dorsal side.
生活型：常绿攀缘藤本。
