This name is a synonym of Isodon macrocalyx (Dunn) Kudô.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 102900) with original publication details: J. Jap. Bot. 60: 233 1985.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:915113-1.
This name was in version 1 of The Plant List, record kew-102900, and has not been changed.