This name is a synonym of Leucas lavandulifolia Sm..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 109552) with original publication details: Pl. Hort. Univ. Rar. Prog. 20 1773.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:927240-1.
This name was in version 1 of The Plant List, record kew-109552.