This name is a synonym of Nepeta macrosiphon Boiss..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 134613) with original publication details: Kew Bull. 4: 542 1949 publ. 1950.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:452430-1.
This name was in version 1 of The Plant List, record kew-134613, and has not been changed.