This name is a synonym of Melanthera triternata (Klatt) Wild.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record DC7A05D0-301A-42A2-9C8D-F087017B5B04) with original publication details: Bull. Herb. Boissier iv. 839. 1896.
This name was in version 1 of The Plant List, record gcc-138418, and has not been changed.