This name is a synonym of Arisaema serratum (Thunb.) Schott.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 15674) with original publication details: Bot. Mag. (Tokyo) 43: 540 1929.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:85808-1.
This name was in version 1 of The Plant List, record kew-15674.