This name is a synonym of Hibiscus hamabo Siebold & Zucc..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50211902) with original publication details: Diagn. Pl. Nov. Asiat. no. 6 .
This name was in version 1 of The Plant List, record tro-50211902, and has not been changed.