Appendicula polystachya

Smith, J.J., Nova Guinea 8, 1 (1909) 112, t. 38, fig. 126, as Appendicula applicata J.J.Sm.
Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 128, fig. 483
Lewis, B.A. & P.J. Cribb, Orchids of the Solomon Islands and Bougainville (1991) 133, fig. 29A-H
O'Byrne, P., Lowland Orchid. Papua New Guinea (1994) 124, fig.