This name is a synonym of Euphorbia crenata (N.E.Br.) Bruyns.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 129022) with original publication details: Fl. Trop. Afr. 6(1): 461 1911.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:352375-1.
This name was in version 1 of The Plant List, record kew-129022, and has not been changed.