This name is a synonym of Geranium platyanthum Duthie.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Bull. Acad. Imp. Sci. Saint-Pétersbourg III, 26: 304 1879.
This name was in version 1 of The Plant List, record kew-2823250, and has not been changed.