This name is a synonym of Teucrium doumerguei Sennen.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 454186) with original publication details: Cat. Pl. Maroc 4: 1107 1941.
This name record (from WCSP) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Teucrium polium in version 1 of The Plant List.