Bulbophyllum kestron J.J.Verm. & A.L.Lamb 1988 SECTION Macrocaulia (Bl.) Aver 1994
Photo by © J J Vermeullen 1991
Photo by © J.B.Comber and The Swiss Orchid Foundation at the Jany Renz Herbaria
TYPE Drawing by © J.J. Vermeulen and Gard. Bull. Singapore 41:32 Vermeulen & Lamb 1988
EARLY 
Common Name The Rough Tongue Bulbophyllum
Flower Size .24" [6 mm]
Found in Sabah Borneo in lower to upper wet montane forests at elevations of 1400 to 2000 meters as a mini-miniature sized, warm to cool growing epiphyte with close set, ovoid, somewhat flattened pseudobulbs carrying a single, apical, erect, rather thin, elliptic to obovate, obtuse, gradually narrowing below into the petiolate base leaf that blooms in the spring, summer and early fall on an erect, basal, 1 to 1.6" [2.5 to 4 cm] long, single flowered inflorescence with a tubular floral bract.
Synonyms
References W3 Tropicos, Kew Monocot list , IPNI ; * Gard. Bull. Singapore 41:30 Vermeulen & Lamb 1988 drawing fide to the second photo; Orchids Of Borneo Vol 2 Vermuellen 1991 drawing/photo fide; Plants of Mt Kinabalu Vol 2 Wood, Beaman & Beaman 1993; A checklist of the Orchids of Borneo Wood & Cribb 1994; The Orchids of Mount Kinabalu Vol 2 Wood, Beaman, Lamb, Chu Lun and Beaman 2011 drawing fide; Bulbophyllum of Borneo J J Verm, P O'Byrne and Lamb 2015 photos/drawing fide;
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