Bulbophyllum betchei F. Muell. 1888 Fruiticicola Schlechter 1912 Photo courtesy of Wolfgang H. Bandisch. Photo By Peter O'Byrne Copyright © 1998, 1999 All rights reserved. And his Papua & New Guinea Orchid Species site
MOSTLY
through 
Common Name Betche's Bulbophyllum
Flower Size 1/4" or less [5 mm or less]
Found in Papua and New Guinea, The Solomon Islands, New Caledonia, Vanuatu, Fiji and Samoa on large rainforest trees overhanging rivers, streams and ocean at elevations of sealevel to 800 meters with a single apical, narrowly lanceolate, apiculate, thick, fleshy leaf on a subconical to cylindrical, somewhat quadrangular pseudobulb and blooms in the summer through fall although it is possible at any time on a very short [1 cm], single flowered [rarely 2] descending inflorescence that holds the not wide opening, thick, fleshy, diurnal, 1 to 2 flowers against the pseudobulb. Best grown on a mount with frequent waterings, given moderate shade and high humidity.
Synonyms Bulbophyllum atroviolaceum Fleischman & Rechinger 1910; Bulbophyllum finetianum Schltr. 1906; Bulbophyllum ponapense Schltr. 1921
References W3 Tropicos, Kew Monocot list , IPNI ; Orchidaceae of German New Guinea Schlechter 1914/1985; The Orchids of Vanuatu Lewis & Cribb 1989; The Orchids of Samoa Cribb & Whistler 1996; Australian Orchid Review Vol 66 No 3 2001 photo as B finetianum; Bulbophyllums and Their Allies Seigerist 2001; Orchids of Sumatra 2002