This name is a synonym of Euphorbia lacei Craib.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 78567) with original publication details: Euphorb. Antiq. Offic. 25, 54 1934.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:345738-1.
This name was in version 1 of The Plant List, record kew-78567, and has not been changed.