This name is a synonym of Capparis sepiaria var. boscioides (Pax) Kers.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Bot. Jahrb. Syst. 14: 297 1892.
This name was in version 1 of The Plant List, record kew-2697006, and has not been changed.