(Hydrangea scandens)
Hydrangea scandens is a species of shrub in the hydrangea family (Hydrangeaceae). 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.