This name is a synonym of Valeriana graciliceps Clos.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 33500222) with original publication details: Linnaea 28: 699 1858.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:859943-1.
This name was in version 1 of The Plant List, record tro-33500222, and has not been changed.