Buddleja farreri was one of five species sunk as Buddleja crispa by Leeuwenberg in 1979 .
Buddleja farreri later treated as such in the Flora of China ; however the original epithet is widely retained in horticulture .
Buddleja farreri was one of five species sunk as Buddleja crispa by Leeuwenberg in 1979 , and later treated as such in the Flora of China ; however the original epithet is widely retained in horticulture .