Children (7 direct children, 7 direct and indirect children):
Hydrangea serrata var. megacarpa
Hydrangea serrata f. acuminata
Hydrangea serrata var. japonica
Hydrangea serrata var. australis
Hydrangea serrata var. yesoensis
Hydrangea serrata f. belladonna
Hydrangea serrata var. minamitanii