Hydrangea petiolaris

Climbing shrub native to the Far East with reddish branches and aerial roots. The deciduous leaves are oval with serrated edges, green in spring and yellow in autumn, 8-15 cm long and 4-8 cm wide. Flat inflorescences from May to August, 15-25 cm wide, white-greenish in color. Grows well up to 1000 m, with no particular soil requirements.