This name is a synonym of Gastrorchis humblotii var. schlechteri (H.Perrier) Senghas ex Bosser & P.J.Cribb.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 151094) with original publication details: Kew Bull. 17: 560 1964.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:650471-1.
This name was in version 1 of The Plant List, record kew-151094.