This name is a synonym of Philadelphus tomentosus Wall. ex G. Don.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50078319) with original publication details: J. Proc. Linn. Soc., Bot. 2: 83 1857.
This name was in version 1 of The Plant List, record tro-50078319, and has not been changed.