This name is a synonym of Cleistocactus winteri D.R.Hunt.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50293965) with original publication details: Kakteen And. Sukk. 13: 4 1962.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:268879-2.
This name was in version 1 of The Plant List, record tro-50293965, and has not been changed.