This name is a synonym of Prunella vulgaris L..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 454100) with original publication details: J. Coll. Sci. Imp. Univ. Tokyo 43: 23 1921.
This name record (from WCSP) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Prunella vulgaris in version 1 of The Plant List.