Hydrangea petiolaris Siebold & Zucc.
no HD illustration available (m1)
Hydrangea petiolaris Siebold & Zucc. [Hydrangeaceae]
P.F. von Siebold, J.G. Zuccarini, Fl. Jap., vol. 1 : t. 54 (1875) [J. Unger]