Bulbophyllum octarrhenipetalum

Smith, J.J., Nova Guinea 12, 4 (1916) 400, t. 148, fig. 277
Smith, J.J., Nova Guinea 12, 4 (1916) 401, t. 148, fig. 278, as Bulbophyllum quadrans J.J.Sm.
Vermeulen, J.J., Orchid Monogr. 7 (1993) 165, fig. 119