This name is a synonym of Ranunculus nephelogenes var. geniculatus (Hand.-Mazz.) W.T. Wang.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 27105027) with original publication details: Symb. Sin. 7(2): 305 1931.
This name was in version 1 of The Plant List, record tro-27105027.