This name is a synonym of Conchidium japonicum (Maxim.) S.C.Chen & J.J.Wood.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 58899) with original publication details: Enum. Pl. Jap. 2: 510 1878.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:628444-1.
This name was in version 1 of The Plant List, record kew-58899.