| 1 | Fruit ellipsoid, 2-4 cm long. — East Malesia: Moluccas & Vogelkop Peninsula |
| 1' | Fruit globose or ellipsoid, up to 1.5 cm long |
| 2 | Fruit ellipsoid; exocarp thin, collapsing about the seeds, translucent. Seed faces flat, not or hardly ornamented. Hairs of petiole spreading or curved downward. — Sumatra, Borneo, Java, Philippines |
| 2' | Fruit globose; exocarp thicker, wrinkling or not, not translucent. Seed faces convex, scrobiculate. Hairs of petiole spreading or curved upward. — Widespread |
