This name is a synonym of Chamaedaphne calyculata var. nana (Lodd.) Rehder.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Sosud. Rast. Sovet. Dal'nego Vostoka 5: 144 1991.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:975477-1.
This name was in version 1 of The Plant List, record kew-2715464, and has not been changed.