This name is a synonym of Viola subsinuata (Greene) Greene.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50106813) with original publication details: Pittonia 3(19A): 313–314 1898.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:265893-2.
This name was in version 1 of The Plant List, record tro-50106813, and has not been changed.