This name is a synonym of Loxocalyx ambiguus (Makino) Makino.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 109496) with original publication details: Bot. Mag. (Tokyo) 13: 319 1899.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:449161-1.
This name was in version 1 of The Plant List, record kew-109496.