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 195528) with original publication details: Prodr. Fl. Tosc. 519 1860.
This name was in version 1 of The Plant List, record kew-195528, and has not been changed.