Bulbophyllum mahakamense J.J.Sm.1909 SECTION Beccariana Pfitz. 1889

Photo by Tom Ballinger and his Flickr Orchid Photo Website


Photo by Art Vogel

Common Name The Mahakam Bulbophyllum [A river in Kalamantan Borneo]

Flower Size .16" [4 mm]

Found in penninsular Malaysia, Sumatra and all of Borneo in tall lowland forests, low coastal forests and montane forests always in wet, well shaded locations at elevations of sealevel to 1800 meters as a medium sized, hot to cool growing epiphyte with .75 to 2" [1.8 to 5 cm] between each distinct, cylindrical, flattened pseudobulb carrying a single, apical, erect, obovate, acute to acuminate, narrowing below into the a base leaf that blooms on an elongate, peduncle, erect to patent, 2.4 to 8.8" [6 to 22 cm] long, rachis, arching to somewhat nodding, 2.8 to 10" [7 to 25 cm] long overall, dense to rather lax, mostly simultaneously opening, 6 to 25 flowered inflorescence with ovate, acute to acuminate floral bracts and carrying variable colored, fetid scented flowers.

CAUTION Many references now assign B foetidolens to be a synonym of B mahakamense, I still feel that they can be maintined separately.


References W3 Tropicos, Kew Monocot list , IPNI ; A Checklist of the Orchids of Borneo Wood & Cribb 1994; Bulbophyllum of Borneo J J Verm, P O'Byrne and Lamb 2015 photos/drawing fide;