This name is a synonym of Desmodium elegans f. albiflorum (P. Li) H. Ohashi.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13068425) with original publication details: Fl. Xizang. 2: 892 1985.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:948829-1.
This name was in version 1 of The Plant List, record tro-13068425.