Hydrangea macrophylla subsp. serrata (Thunb.) Makino (Hydrangeaceae) is native to Japan, Kazan-retto. Flora of the World documents 1 occurrence across 1 country.
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Cornales
Family
Hydrangeaceae
Genus
Hydrangea
Specific Epithet
macrophylla
Infraspecific Epithet
serrata
Authorship
(Thunb.) Makino