Photo: Hydrangea aspera.

Flowers, white with some blue buds. Tokyo bot.g., Japan. Planted. 2008-06-10.
Hydrangea aspera Buch.-Ham. ex D. Don Engl.: rough-leaf hydrangea. Deu.: Rauhe Hortensie. Bot. syn.: Hydrangea villosa Rehder
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Photo: Hydrangea aspera.