This name is a synonym of Lespedeza thunbergii (DC.) Nakai.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13067598) with original publication details: Acta Phytotax. Sin. 21(3): 315–316 1983.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:922310-1.
This name was in version 1 of The Plant List, record tro-13067598.