climbers. Leaves not peltate. Inflorescence panicled, cauliflorous and composed
of a raceme of cymes or supra-axillary and cymose. Male flowers: sepals 6,
outer 3 narrower than inner 3, petals 6, with sides folded around the opposite
stamens, stamens 6, free. Female flowers: sepals and petals as in male, staminodes
6, carpels 3, stigmas recurved. Drupes obovate, style-scar close to the base,
endocarp dorsally bearing many transverse ridges, with an elongate curved
depression on each lateral face. Seeds narrowly horseshoe-shaped.