Viburnum macrophyllum Thunb. = Hydrangea macrophylla (Thunb.) Ser.
English:
macrophyllus,-a,-um;

https://archive.org/stream/mobot31753000802642#page/295/mode/2up
homotypic synonyms:
Hydrangea macrophylla subsp. serrata (Thunb.) Makino; Hydrangea macrophylla (Thunb.) Ser.;

protologue: Syst. Veg., ed. 14 : 295 (1784)

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