This name is a synonym of Brassica repanda subsp. africana (Maire) Greuter & Burdet.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name with original publication details: Voy. Bot. Espagne 1: 35 1839.
This name was in version 1 of The Plant List, record kew-2682272.