Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 1 (1911) 16
Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 9, fig. 24
Lewis, B.A. & P.J. Cribb, Orchids of the Solomon Islands and Bougainville (1991) 59, fig. 9H
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