Distribution map of Bulbophyllum discolor subsp. cubitale
(STEREO) Bulbophyllum discolor Schltr. subsp. cubitale J.J.Verm., flower, front view, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 231
Bulbophyllum discolor subsp. cubitale J.J.Verm., Orchid Monogr. 7 (1993) 159, fig. 111, J.J. Vermeulen, drawing, plant habit and flower analysis, based on Jongejan cult. 239 (L); p,q Jongejan 231 (L)