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. 53: 190 1915.
This name was in version 1 of The Plant List, record kew-2697055, and has not been changed.