Scrambling shrub or vine; bark often flaky; branchlets angular and narrowly winged. Leaves: petiole 5–10 (–15) mm long; lamina elliptic, 7–13 (–17) cm long, 3–4.5 cm wide, markedly discolorous, margin entire, recurved, 16–18 pairs of lateral veins, glands visible as dark raised dots on adaxial surface, in transmitted light chiefly pellucid, size variable. Inflorescence terminal or axillary, paniculate, male inflorescence c. 6–10 mm long, female 7–19.5 cm long. Flowers dense, 5-merous, aromatic; pedicel 1–2 mm long, papillose; calyx tube 0.5 mm long, lobes 0.8 mm long, margins ciliolate, black dots absent; petals creamy-green to greenish white, to 2 mm long, adaxial surface densely papillose, pellucid dots present, black dots absent; filaments in male flowers 0.5–1 mm long, anthers 0.7 mm long, wart-like glands present; ovary in female flowers 0.8 mm diam. Fruit globular, 2.5–6 mm diam., reddish purple to black. Seed 2–3 mm diam.