Update：Zz knowledgeably pointed out that this flower is called “Hydrangea macrophylla“. More details from Wikipedia
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Update：Zz knowledgeably pointed out that this flower is called “Hydrangea macrophylla“. More details from Wikipedia
Hydrangea macrophylla的一个培育种，中文名绣球花，紫阳花等，原产中国和日本。
查了一下，是的，没错。博学！