| 1 | Fruits globose or broadly ellipsoid, 1.5—2.5(—3) cm long, pseudostalk ± absent or short and 2-4 mm broad; pericarp 2-4 mm thick. Leaves glabrescent below. — Philippines [& S Taiwan: Botel Tobago Is.]. |
| 1' | Fruits (broadly) ellipsoid or ovoid, 3-3.5 cm long, pseudostalk stout, 4-5 mm broad; pericarp 4-5 mm thick. Leaves glabrescent below, or with dispersed hairs. — Sulawesi, Bacan, Sula I., Philippines (Zamboanga). |
| 1'' | Fruits ellipsoid, 3.5-4 cm long, pseudostalk 3-4 mm broad; pericarp 3 mm thick (apparently much thicker when fresh). Leaves with persistent dense bright brown indumentum below. — W & NE Kalimantan, W Sarawak. |
