Woody climber. Young branchlets, petioles and inflorescences yellowish to golden-brown (or rusty) tomentose, branchlets later glabrescent, young shoots sometimes tendrilliform. Leaves: petioles 1-3 cm; lamina ovate-elliptic, elliptic or obovate-elliptic, 7-17 by 3-8 cm, apex usually broad and abruptly cuspidate, or obtusely apiculate (occasionally long acuminate), base cuneate to rounded, 3-nerved; lateral nerves 4-6 pairs; both surfaces at first yellowish to golden-brown pubescent or tomentose, especially on lower surface along the nerves, later glabrescent; stiffly papyraceous. Inflorescences up to 2.5 cm, composed of about 2-6 densely flowered cymes, 4-5 mm across with peduncles (3-)10-20 mm. Male flowers green to white, subsessile; sepals 9, ovate, tomentose, outer 3 1 by 0.75 mm, middle 3 1.25 by 1 mm, inner 3 2.5-3.25 by 1.75-2.5 mm, thick; petals 6, obovate, unguiculate, 1 by 0.75-1 mm, glabrous; stamens 6, claviform, 1 mm, filaments usually sparsely pilose adaxially. Female flowers: sepals and petals ± as in male, petals clasping linear staminodes; carpels 3, ± obliquely ellipsoidal, 1.5 by 1.25 mm, stigma auriculate. Drupes obliquely obovate in outline, 20-25 by 16-20 mm, pubescent to glabrescent.
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A climber. The leaves are alternate and smooth. The flowers are yellow. The fruit are smooth and small. They are 1-1.5 cm long.