Hydrangea scandens


Hydrangea scandens is a species of shrub in the hydrangea family. It is native to Japan, where it is found from the Kantō region southward.
Its leaves are 4-7 cm long, toothed, and have acuminate tips. Flowers are produced in May through June.
It is sometimes considered to be a subspecies of Hydrangea anomala, under synonymy with Hydrangea petiolaris.