This name is a synonym of Deutzia esquirolii (H.Lév.) Rehder.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50078301) with original publication details: Fl. Kouy-Tchéou 387 1914.
This name was in version 1 of The Plant List, record tro-50078301, and has not been changed.