This name is a synonym of Arisaema intermedium Blume.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 15422) with original publication details: Bull. Univ. Mus. Univ. Tokyo 2: 332 1971.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:874403-1.
This name was in version 1 of The Plant List, record kew-15422, and has not been changed.