This name is a synonym of Myrcianthes cisplatensis (Cambess.) O.Berg.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 132481) with original publication details: Anales Mus. Nac. Montevideo 5: 35 1905.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:166703-2.
This name was in version 1 of The Plant List, record kew-132481, and has not been changed.