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 103042) with original publication details: Mem. Coll. Agric. Natl. Taiwan Univ. 31(1): 25 1991.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:991846-1.
This name was in version 1 of The Plant List, record kew-103042, and has not been changed.