Dioecious climbers. Leaves spirally arranged, entire, penninerved, strongly reticulate; Flowers sessile or sometimes pedicellate (♀ only), clustered (or fascicled) or solitary along the rachis of long, pendulous interrupted or spike-like racemes, these simple or composed to panicles, (4-)5(-6)-merous. Petals shortly connate at base, valvate in bud, afterwards recurved, oblong, persistent in ♀ flowers. Seed 1, testa thin;
Andamans: present Annam: present Asia-Tropical:, Borneo ‒ present; India ‒ present; Jawa (Jawa ‒ present); Lesser Sunda Is. ‒ present; Malaya (Peninsular Malaysia ‒ present); Philippines (Philippines ‒ present); Sumatera (Sumatera ‒ present) Cochinchina: present Flores: present Lower Burma: present Western Ghats from N. Kanara to Travancore: present
Two spp., India (Western Ghats from N. Kanara to Travancore), Lower Burma, Andamans, Cochinchina, Annam; in Malesia: Sumatra, Malay Peninsula, Java, Borneo, Philippines, Lesser Sunda Islands (Flores). .