Tree 10-30 m. Leaves: Fruits ellipsoid or ovoid, 3-3.5 by 2.5 cm, apex ± blunt or 1-2 mm beaked, base contracted into a stout pseudostalk 2-4 mm long, 4-5 mm broad, pericarp dull greyish brown to dark brown, 4-5 mm thick.
Asia-Tropical: Maluku (Maluku present); Philippines (Philippines present); Sulawesi (Sulawesi present), Bacan present, Bum present, Moena I present, Sula Is present, Zamboanga present
Malesia: Sulawesi (incl. Moena I.); Moluccas (Bacan, Sula Is., Bum); Philippines (Zamboanga).
Subsp. celebica is close to the two other subspecies. It has larger fruits than subsp. simiarum and from subsp. calcarea it differs in the less densely pubescent leaves.