Lianas. Branchlets bearing prominent discoid petiole-scars. Leaves petiolate; Inflorescences axillary or cauliflorous, pseudo-racemose, composed of few-flowered, peduncled cymes or solitary flowers especially in female inflorescences.
Asia-Tropical:, Malaya present N. Australia: present SE. Asia: present Tropical Africa: present
19 species in tropical Africa and 2 in SE. Asia of which 1 in Malesia (Malaya), and 1 endemic in N. Australia.