This name is a synonym of Sambucus williamsii Hance.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 6000752) with original publication details: Rep. 1st. Sci. Exp. Manchoukuo 4(1): 12 1934.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:149321-1.
This name was in version 1 of The Plant List, record tro-6000752.