This name is a synonym of Stachys recta subsp. labiosa (Bertol.) Briq..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 195235) with original publication details: Fl. Ital. 6: 166 1844.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:459667-1.
This name was in version 1 of The Plant List, record kew-195235, and has not been changed.