Branchlets gray-brown when dry; stipular and petiolar scars prominent, pubescent, soon glabrous. Stipules often persistent in upper nodes, strongly crescent-shaped, 2-4 cm; petiole 5-10 cm, glabrous; leaf blade broadly ovate, elliptic, or obovate, 10-35 × 7-23 cm, lateral veins 7-14 pairs, both surfaces glabrous, base broad cuneate, rounded, or cordate, apex obtuse or acute. Male inflorescences dichotomously branched 2-3 times, 3.5-6 × 3-7 cm; bracts boat-shaped, 6-10 mm; glomerules 5-7 mm in diam. Female inflorescences dichotomously branched 1 or 2 times, 4-8 × 5-9 cm; primary peduncle longer than secondary; bracts as males; glomerules 2.5-3.5 cm in diam., 3.5-5 cm in diam. in fruit. Male flowers sessile, obovoid, 1.5-2 mm; perianth lobes 4, apex incurved, pubescent; stamens 4; filaments straight, short. Female flowers: pedicel 3-7 mm; stigma shortly ligulate. Achene oblong-obovoid, 3-5 mm, verrucose. Fl. Apr-May, fr. May-Jun.
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A vine like shrub or climber. A stout woody plant which grows on other plants. It keeps its leaves throughout the year. The main stem is brown and there are several aerial roots. The leaves are simple. The leaves are alternate and narrowly oval. They are leathery. They are 10-35 cm long by 7-23 cm wide. The leaf base is wedge or heart shaped and it tapers to the tip. The flowers contain both sexes and have a scent. They are in dense round heads in the axils of the leaves. The fruit has one seed.
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