Bulbophyllum sanguineum H. Perrier

Blood-red Bulbophyllum Orchid (Bulbophyllum sanguineum)

The Blood-red Bulbophyllum Orchid was described in 1937, it is endemic to Madagascar, where it grows, or was growing, as a small epiphyt in the forests at higher elevations.

The species was apparently never found since its description and, given the fact that most of Madagascars forests still are burned down, this species may now quite well be extinct. 

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The species is obviously sometimes mistaken for another one, the Red-puncted Bulbophyllum Orchid (Bulbophyllum sanguineopunctatum Seidenf. & A. D. Kerr), which is quite commonly found in cultivation.

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edited: 12.11.2020