This name is a synonym of Verbena officinalis var. africana (R.Fern. & Verdc.) Munir.
The record derives from WCSP
(data supplied on 2012-03-26)
which reports it as a synonym (record 212712) with original publication details: Prodr. Fl. Nepal. 104 1825.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:865476-1.
This name was in version 1 of The Plant List, record kew-212712.