This name is a synonym of Brachychiton incanus R.Br..
The record derives from WCSP (in review)
(data supplied on 2012-03-26)
which reports it as a synonym with original publication details: Boll. Reale Orto Bot. Palermo 1: 62 1897.
This name was in version 1 of The Plant List, record kew-2681187, and has not been changed.