This name is a synonym of Acaulimalva richii (A.Gray) Krapov..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 19602802) with original publication details: Chlor. Andina 2: 276 1861.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:561884-1.
This name was in version 1 of The Plant List, record tro-19602802, and has not been changed.