This name is a synonym of Sophora velutina var. cavaleriei (H.Lev.) Brummitt & J.B.Gillett.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13044673) with original publication details: Fl. Kouy-Tchéou 242 1914-1915.
This name record (from Tropicos) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Sophora cavaleriei in version 1 of The Plant List.