⚠ Version 1 of The Plant List has been superseded.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 Buddleja variabilis in version 1.1 of The Plant List.
This name is a synonym of Buddleja davidii .
The record derives from Tropicos which reports it as a synonym (record 19001197
) with original publication details: J. Roy. Hort. Soc. 47: 193 193 1922.