This name is a synonym of Tarenna unioensis (Guillaumin) Jérémie.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 39623) with original publication details: Bull. Mus. Natl. Hist. Nat. II, 1: 117 1929.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:746677-1.
This name was in version 1 of The Plant List, record kew-39623, and has not been changed.