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 6000496) with original publication details: Rep. 1st. Sci. Res. Manchoukuo 4: 177 1940.
This name was in version 1 of The Plant List, record tro-6000496.