The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-6184, with some changes.

H Allamanda williamsii auct. is a synonym of Allamanda cathartica L.

This name is a synonym of Allamanda cathartica L..

The record derives from WCSP which reports it as a synonym (record 6184) with original publication details: Garden (London 1871-1927) 40: 1642 1891.