⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2726824, and has not been changed.

Clematis thunbergii var. angustisecta Engl. is a synonym of Clematis welwitschii Hiern ex Kuntze

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Bot. Jahrb. Syst. 30: 309 1902.