This name is a synonym of Polanisia tenuifolia Torr. & A. Gray.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13009066) with original publication details: Pittonia 2(10B): 175 1891.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:130979-2.
This name was in version 1 of The Plant List, record tro-13009066, and has not been changed.