Woody climbers. Leaves ± ovate, base 3- to 5-nerved. Inflorescences axillary, pseudo-racemose. Seed strongly curved;
Asia-Temperate, Asia-Tropical, Australasia, Polynesia present, SE. Asia present
China, SE. Asia, Malesia, Australia and Polynesia. In Malesia 1 sp.; 11 more have been described from surrounding regions, but this number will probably have to be reduced.