This name is a synonym of Hylocereus undatus (Haw.) Britton & Rose.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50131840) with original publication details: Contr. U.S. Natl. Herb. 12(10): 429 1909.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:125402-2.
This name was in version 1 of The Plant List, record tro-50131840.