This name is a synonym of Rheum rhabarbarum L..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50136154) with original publication details: Acta Phytotax. Sin. 13(3): 79 1975.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:888612-1.
This name was in version 1 of The Plant List, record tro-50136154, and has not been changed.