Deutzia scabra 'Candidissima'

Flowers double, pure white. Int. Froebel, c.1867. D. gracilis Siebold &Zucc. from Japan is similar, with white, fragrant flowers in elongated clusters in spring to summer, but with more finely toothed leaf margins and 5 styles.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Asteranae
order      Cornales
family       Hydrangeaceae
genus        Deutzia Thunb.
species         Deutzia scabra Thunb.