Unarmed trees or shrubs. Leaves bipinnate, rachis and pinnae usually with extrafloral nectaries; Stipules linear or filiform, only visible in seedlings. Inflorescences composed of pedunculate spikes, racemes or 1-4-flowered glomerules aggregated into racemes, panicles or umbels; Flowers bisexual, pentamerous, uniform. Stamens numerous, united into a tube at the base. Ovary(ies) 1 (or 2), sessile. Seeds usually elliptic or oblong, flattened, with a hard black testa with pleurogram, wingless;
Asia-Tropical:, Thailand (Thailand present) Melanesia: present Micronesia: present W Polynesia: present continental SE Asia: present
Continental SE Asia (Thailand); throughout Malesia, Micronesia, Melanesia and W Polynesia; c. 18 species in all of which 4 in Malesia.