This name is a synonym of Grewia crenata (G.Forst.) Schinz & Guillaumin.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name with original publication details: Suppl. Pl. 409 1782.
This name was in version 1 of The Plant List, record kew-2833200, and has not been changed.