This name is a synonym of Vitex negundo L..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 456048) with original publication details: Amer. Midl. Naturalist 24: 754 1940.
This name record (from WCSP) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Vitex negundo in version 1 of The Plant List.