Trees or treelets with stout, often hollow branches. Leaves conferted at intervals (), glandular along the margins, nerves almost straight-ly ascending at an angle of 60-70°. Stipules entire. Inflorescences terminal, many-flowered, panicles often with many hypsophylls at base; Flowers ☿ or polygamous. Sepals 5. Petals 5, white, creamy or purplish. Ovary 3-carpelled; Fruit opening with 3 longitudinal slits, the style usually not splitting. Seeds winged like a propeller with 2 blades.
Asia-Tropical:, Borneo present; Maluku (Maluku present); New Guinea present; Philippines (Philippines present); Sulawesi (Sulawesi present) Bismarcks: present Solomons: present
Solomons and Bismarcks; in Malesia: Borneo, Philippines, Celebes, Moluccas, and New Guinea.