This name is a synonym of Nepeta clarkei Hook.f..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 90072) with original publication details: Revis. Gen. Pl. 2: 518 1891.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:447301-1.
This name was in version 1 of The Plant List, record kew-90072, and has not been changed.