⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Clematis tubulosa in version 1.1 of The Plant List.
This name is a synonym of Clematis heracleifolia .
The record derives from Tropicos which reports it as a synonym (record 27104435
) with original publication details: Nouv. Arch. Mus. Hist. Nat., sér. 2, 5: 165 165 1882.