This name is a synonym of Ajuga ovalifolia var. calantha (Diels) C.Y.Wu & C.Chen.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 5183) with original publication details: Repert. Spec. Nov. Regni Veg. Beih. 12: 475 1922.
This name was in version 1 of The Plant List, record kew-5183, and has not been changed.