Glabrescent liana or woody vine. Leaves to 165mm x 90mm, glabrate above, silky beneath. Terminal or axillary panicles with bracts to 3mm x 1mm, of 6 to 14 yellow flowers to 4.5mm long with bracteoles, sepals to 1.5mm long,yellow petals to 7mm x 6.5mm, claw 2mm long. Winged fruits.