This name is a synonym of Caltha sinogracilis W.T.Wang.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Bull. Misc. Inform. Kew 1929: 248 1929.
This name was in version 1 of The Plant List, record kew-2693914, and has not been changed.