Gunnarella robertsii

Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 337, fig. 1301, as Chamaeanthus laxus Schltr.
Lewis, B.A. & P.J. Cribb, Orchids of the Solomon Islands and Bougainville (1991) 264, fig. 68A-K, pl. 14C
O'Byrne, P., Lowland Orchid. Papua New Guinea (1994) 502, fig., pl.