This name is a synonym of Triaspis macropteron subsp. massaiensis (Nied.) Launert.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 19501618) with original publication details: Verz. Vorles. Akad. Braunsberg S.-Sem. 1924: 7 1924.
This name was in version 1 of The Plant List, record tro-19501618, and has not been changed.