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 50193455) with original publication details: Candollea 6: 9 1934.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:178481-2.
This name was in version 1 of The Plant List, record tro-50193455.