This name is a synonym of Blackstonia grandiflora (Viv.) Maire.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Cat. Pl. Maroc 3: 578 1934.
This name was in version 1 of The Plant List, record kew-2676921, and has not been changed.