Woody climber. Leaves with petioles 4-12 cm, glabrous or puberulous towards the apex; lamina tri-angular-ovate, 7-13 by 5-10 cm, apex usually atten-uated acuminate, base truncate or broadly rounded, lower surface with reticulation very fine and raised, glabrous or sparsely puberulous towards the base of the nerves, upper surface with laxer reticulation, glabrous, papyraceous. Male inflorescences axil-lary, less than 1.5 cm long, a solitary umbelliform cyme or a few cymes arising from a very short axis, glabrous. Male flowers on pedicels 1.25-1.5 mm in dense subglobose clusters; sepals 6, elliptic or ob-lanceolate, 1-1.25 mm long; petals 3, broadly ob-ovate, the lateral margins inflexed, 0.5 mm long; synandrium 0.75-1 mm long. Female inflorescences similar to male but much larger. Infructescence axil-lary or on older, leafless stems, 4-14 cm long, sub-glabrous or puberulous. Female flowers subsessile or on pedicels c. 0.5 mm long; sepals and petals simi-lar to male; carpel 1 mm long. Drupe yellow to red on pedicel 3-5 mm, sometimes sessile, obovate to suborbicular in outline, 7-9 by 7-8 mm. Endocarp perforate with 4 dorsal rows of 9-11 projections irre-gularly divided at the apices, the 2 median rows ± rod-like, the 2 outer rows lamelliform with the outer margins hooked, the whole dorsal surface very sca-brid.
In forests, in continental Asia at c. 300-400 m, in W. Java 500-1000 m, in Sabah 1000-1700 m.
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