⚠ Version 1 of The Plant List has been superseded.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 Acer polymorphum in version 1.1 of The Plant List.
This name is a synonym of Acer palmatum .
The record derives from Tropicos which reports it as a synonym (record 200228
) with original publication details: Abh. Math.-Phys. Cl. Königl. Bayer. Akad. Wiss. 4: 2 2 1845.