Hortensia japonica J.F.Gmel.
This is a synonym of
Hydrangea macrophylla (Thunb.) Ser.
Hortensia japonica J.F.Gmel. appears in other Kew resources:
First published in Syst. Nat. ed. 13[bis]: 722 (1791)
Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
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