⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-15723, and has not been changed.
This name is a synonym of Arisaema thunbergii subsp. urashima .
The record derives from WCSP which reports it as a synonym (record 15723
) with original publication details: Ill. Fl. Nippon 774 1940.