This name is a synonym of Lavandula × cadevallii Sennen.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 274028) with original publication details: Brotéria, Ci. Nat. 28(1-2): 69 1949.
This name was in version 1 of The Plant List, record kew-274028, and has not been changed.