Leaves are opposite and simple, 2-4" long, broad ovate to ovate oval, dark green above, lighter below. Flowers occur in showy fertile flowers in a ring around visually insignificant fertile flowers.
Among the best ornamental vines. Holds to a wall using root-like holdfasts arising from nodes. Grows best in shaded areas. Slow to establish. Best to transplant from a container. Although it can eventaully reach up to 80 feet, its size is controllable, if desired.