An interesting Japanese cultivar of purple-dark blue velvety flowers 10 cm in diameter, consisting of 4 narrow, eliptic sepals and dark violet anthers on light violet filaments. Flowers borne from mid-June till September. Leaves single or trifoliate, often irregularly dented. Shoots don't climb over supports but can lean on them. Plant reaches 1.7 m height. Scrambles over ground when left without supports.

Particularly useful when growing around other plants or tied along supports. It requires well-drained soil and sunny sites.