This name is a synonym of Ziziphus jujuba var. spinosa (Bunge) Hu ex H.F.Chow.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 27501434) with original publication details: Enum. Pl. China Bor. 14 1833.
This name was in version 1 of The Plant List, record tro-27501434.