This name is a synonym of Valeriana quadrangularis Kunth.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 33500763) with original publication details: Brittonia 17(2): 116 1965.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:262380-2.
This name was in version 1 of The Plant List, record tro-33500763, and has not been changed.