This name is a synonym of Astilbe rubra Hook.f. & Thomson.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 29101760) with original publication details: Prim. Fl. Amur. 120–121 1859.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:791516-1.
This name was in version 1 of The Plant List, record tro-29101760, and has not been changed.