This name is a synonym of Ogastemma pusillum (Coss. & Durieu ex Bonnet & Barratte) Brummitt.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Bot. Macaronesica 3: 82 1977 publ. 1978.
This name was in version 1 of The Plant List, record kew-2797943, and has not been changed.