This name is a synonym of Oxalis teneriensis R. Knuth.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 23700305) with original publication details: Pflanzenr. 4(130): 433 1930.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:177887-2.
This name was in version 1 of The Plant List, record tro-23700305, and has not been changed.