Bulbophyllum atratum J.J.Sm. 1917 SECTION Hirtula Ridley 1908
Photos by © Peter O'Byrne and The Swiss Orchid Foundation at the Jany Renz Herbaria Website
Common Name The Flat Black Bulbophyllum
Flower Size .08" [2 mm]
Found in Malaysia, Sumatra and Borneo in montane forests at elevations around 1000 meters as a miniature sized, warm to cool cold growing epiphyte with clustered, ovoid pseudobulbs carrying a single elliptic to ovate, obtuse, petiolate base leaf that blooms on a pendulous, peduncle 10 to 13.2" [25 to 33 cm] long, elongate, rachis 2.8 to 6.6" [9.5 to 16.5 cm] long, swollen, approx. cylindrical, tapering at both ends, 14 to 20" [35 to 50 cm] long overall, densely, simultaneously many, 8 to 40 flowered inflorescence with triangular, acuminate shorter than the ovary floral bracts .
Synonyms
References W3 Tropicos, Kew Monocot list , IPNI ; Orchids of Sumatra Comber 2001; Orchids of Sarawak Beeman & Wood Beaman etal 2001 as B aff atratum; Gard. Bull. Singapore 55: 292 J J Verm & P O'Byrne 2003 ; Gard. Bull. Singapore 54: 131 J J Verm. 2002 drawing/photo fide; Bulbophyllum of Borneo J J Verm, P O'Byrne and Lamb 2015 photos/drawing fide;
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