Ornamental- The plants are cultivated as ornamental. Medicine- The flowers and the whole plant are blood tonic, carminative, depurative diuretic and febrifuge.
China, Japan
Thrives in sunny locations and well-drained soil. Tolerates various soil types.

It is vigorous deciduous climbing vine. Reaches 600-800 cm in height and width.
Stem is woody with aerial roots for attaching to surfaces.
Leaves are opposite, pinnately compound with 7-9 toothed leaflets. They are 10-20 cm long.
Flowers are large, trumpet-shaped in clusters. They are orange-red with yellow throats.
Fruit is long, bean-like seed capsule containing flat, winged seeds.
Flowering: May-August.