⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50185194, with some changes.
This name is a synonym of Clematis siamensis var. clarkei .
The record derives from Tropicos which reports it as a synonym (record 50185194
) with original publication details: Ann. Roy. Bot. Gard. (Calcutta) 5(2): 75, pl. 104, f. 6 75 1896.