Large liana. Branchlets puberulous, glabrescent, smooth. Leaves with petioles swollen and sometimes puberulous at base and apex, otherwise subglabrous, 2.5-4.5 cm; lamina elliptic or elliptic-lanceolate, base cuneate, apex acuminate, 9—13(—15) by 3.5—4.5(—6) cm, main lateral nerves 4-5 pairs, nerves and reticulation prominent on both surfaces, glabrous but midrib sometimes puberulous below towards base, thinly coriaceous. Male flowers in few-flowered fascicles in the axils of leaf-scars; pedicels tomentellous, 4-6 mm; sepals tomentellous, outer 3(? + 3) triangular, 1 mm, inner calyx 5 mm; petals 3, unguiculate-ovate, recurved, 1 mm; synandrium 4 mm bearing c. 18 anthers. Female flowers unknown. Drupe ellipsoidal, 5-6 by 3.5-4 cm, peduncles 1-1.5 cm long, 2-3 mm ø in the axils of leaf-scars on older branches; endocarp 3.5-4.7 by 1.8-2.3 cm, slightly rugose, with wall fibrous-woody, 2 mm thick.