This name is a synonym of Prunella × gentianifolia Pau.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 165950) with original publication details: Bol. Soc. Aragonesa Ci. Nat. 11: 233 1912.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:445222-1.
This name was in version 1 of The Plant List, record kew-165950.