This name is a synonym of Hibiscus platanifolius (Willd.) Sweet.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 19601709) with original publication details: Berl. Mag. Gesell. Naturfor. Fr. 4: 220 1810.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:563021-1.
This name was in version 1 of The Plant List, record tro-19601709.