Photo: Hydrangea macrophylla 1.

Flowers, nice and blue. Tokyo bot.g., Japan. Planted. 2008-06-10.

Hydrangea macrophylla (Thunb.) Ser.
Engl.: french hydrangea, lace cap hydrangea, bigleaf hydrangea, garden hydrangea.
Deu.: Japan-Hortensie, Garten-Hortensie.
Sven.: hortensia, blåhortensia.
Bot. syn.: Hydrangea hortensia Sieb., Hydrangea opuloides (Lam.) Savi, Hydrangea thunbergii Sieb.