This name is a synonym of Solanum photeinocarpum var. violaceum (Chen ex Wessely) C.Y. Wu & S.C. Huang.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 29604768) with original publication details: Feddes Repert. Spec. Nov. Regni Veg. 63(3): 293 1960.
This name was in version 1 of The Plant List, record tro-29604768.