This name is a synonym of Lacosteopsis liukiuensis (Y. Yabe) Nakaike.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26612379) with original publication details: J. Jap. Bot. 26(6): 185–186 1951.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:17424600-1.
This name was in version 1 of The Plant List, record tro-26612379.