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 195529) with original publication details: Comp. Fl. Ital. 551 1882.
This name was in version 1 of The Plant List, record kew-195529, and has not been changed.