This name is a synonym of Oxalis spiralis Ruiz & Pav. ex G.Don.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 23700820) with original publication details: Oxalis 83, t. 46 1794.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:374956-1.
This name was in version 1 of The Plant List, record tro-23700820.