Large woody vines. Young branches tomentulose, glabrescent, gray. Petiole 1.5-3.5 cm, glabrous; leaf blade elliptic or ovate-elliptic, 7-14 × 2.5-5 cm, subleathery, brown when dry, glabrous on both surfaces or only puberulent on midrib and lateral veins abaxially, base obtuse or slightly rotund, apex shortly acuminate or subcuspidate, lateral veins 3-5 pairs, midrib and lateral veins conspicuously prominent abaxially. Male inflorescences cymose, up to 1.5 cm, 3-5 flowered; peduncles and pedicels stout, 3-5 mm, tomentose. Male flowers: sepals in 3 whorls, outer whorl subulate, ca. 0.5 mm, middle whorl linear-lanceolate, ca. 2 mm, inner whorl connate into corolloid tube, 5-7 mm, tomentose abaxially; petals 6 in 2 whorls, outer whorl rhombic, ca. 0.8 mm, lateral margins inflexed, abaxially hispid near midrib, inner whorl subcuneate, glabrous, ca. 0.8 mm; synandrium 3-4 mm, with 27 anthers in 6 vertical rows, filament very short. Female flowers not seen. Drupes ellipsoidal, 2.2-3.3 × 1.5-2 cm, tomentose; endocarp slightly woody, ellipsoidal, 1.5-2.5 cm, surface slightly wrinkled; condyle inconspicuous. Fl. early summer, fr. autumn.