This name is a synonym of Euphorbia kuwaleana O.Deg. & Sherff.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 38054) with original publication details: Fl. Hawaiiensis 190: s.p. 1959.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:340697-1.
This name was in version 1 of The Plant List, record kew-38054, and has not been changed.