This name is a synonym of Primula hookeri var. violacea (W.W. Sm.) C.M. Hu.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26401368) with original publication details: Notes Roy. Bot. Gard. Edinburgh 19(94): 214 1937.
This name was in version 1 of The Plant List, record tro-26401368, and has not been changed.