(STEREO) Bulbophyllum ortalis J.J.Verm., plant habit, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1275, (holotype)
(STEREO) Bulbophyllum ortalis J.J.Verm., flower,oblique lateral view, lateral sepal and petal removed, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1275, (holotype)
(STEREO) Bulbophyllum ortalis J.J.Verm., flower detail, centre of flower, oblique front view, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1275, (holotype)
(STEREO) Bulbophyllum ortalis J.J.Verm., flower detail, centre of flower, lateral view, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1275, (holotype)
(STEREO) Bulbophyllum ortalis J.J.Verm., flower detail, centre of flower, lateral view, lip tilted, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1275, (holotype)
(STEREO) Bulbophyllum ortalis J.J.Verm., flower detail, lip, view from the back, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1275, (holotype)
Bulbophyllum ortalis J.J.Verm., Orchid Monogr. 7 (1993) 167, fig. 121, J.J. Vermeulen, drawing, plant habit and flower analysis, based on Jongejan cult. 1275 (holo L)