This name is a synonym of Codonopsis clematidea (Schrenk) C.B.Clarke.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 367862) with original publication details: J. Linn. Soc., Bot. 38: 385 1908.
This name was in version 1 of The Plant List, record kew-367862.