This name is a synonym of Rheum rhabarbarum L..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym and as an invalid name with original publication details: Fig. Pl. Méd. t. 28 1764.
This name was in version 1 of The Plant List, record kew-2425629, and has not been changed.