Lianas or rarely shrubs or small trees with scandent branches. Inflorescences axillary, pedunculate, much branched panicles; pedicels articulate below calyx, bracteolate. Flowers small, perfect or sometimes unisexual by abortion; calyx 5-lobed; petals (4-)5, free, apex inflexed; stamens (4-)5, filaments filiform, dorsifixed, versatile, introrse, connective prolonged into a conspicuous tip; ovary hirsute, oblong-ovoid, with a disk-like columniform base, 1-celled with 2 anatropous ovules hanging from the apex, style eccentric, glabrous, with two abortive styles at the base. Drupes glabrescent, ovoid-ellipsoid, pubescent inside; seed 1, embryo with wrinkled cotyledons.