This name is a synonym of Sedum fui var. longisepalum (K.T. Fu) S.H. Fu.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50062845) with original publication details: Acta Phytotax. Sin. 12(1): 54, pl. 12, f. 29–34 1974.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:878920-1.
This name was in version 1 of The Plant List, record tro-50062845, and has not been changed.