This name is a synonym of Rhamnus hemsleyana C.K. Schneid..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 27501265) with original publication details: J. Arnold Arbor. 15(1): 15 1934.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:718218-1.
This name was in version 1 of The Plant List, record tro-27501265.