This name is a synonym of Acokanthera schimperi (A.DC.) Schweinf..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 316929) with original publication details: Enum. Pl. Afr. Nachtr. 2: 30 1969.
This name was in version 1 of The Plant List, record kew-316929, and has not been changed.