Hydrangea petiolaris Siebold & Zucc. [ Hydrangea cordifolia Siebold & Zucc.]
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Hydrangea petiolaris Siebold & Zucc. [Hydrangeaceae]
P.F. von Siebold, J.G. Zuccarini, Fl. Jap., vol. 1 : t. 59 (1875)