SECTION Oxysepala Bentham & J D Hook.f. 1883
TYPE: = Bulbophyllum clandestinum Lindl.
Synonyms sect. Sphaeracron Schlechter 1913
Characterized by pendent rhizomes on rocks or trees with very small pseduobulbs aften adpressed to the rhizome and carrying a single, fleshy leaf that blooms with single to 2 flowered inflroescecnce that arise all along the stem, are sessile and have a white to yellow flower. The sepals are elongate and the petals and labellum are small.
- Bulbophyllum aberrans Schltr. 1911 New Guinea
- Bulbophyllum citrinilabre J.J.Sm. 1913 Solomon Islands and New Guinea
- Bulbophyllum clandestinum Lindl. 1841 Thailand, Laos, Vietnam, Burma, Malaysia, Sulawesi, the Molouccas, Sumatra, Borneo, New Guinea, Java, the Philippines and Fiji
- Bulbophyllum colubrimodum Ames 1923 Philippines
- Bulbophyllum depressum King & Pantl. 1897 India, China, Thailand, Malaysia, Borneo, Sumatra and Java
- Bulbophyllum dischidiifolium J.J.Sm. 1909 Borneo, Sulawesi and New Guinea
- Bulbophyllum flavum Schltr. 1913 New Guinea
- Bulbophyllum gadgarrense Rupp 1950 Australia
- Bulbophyllum glandulosum Ames 1923 Philippines
- Bulbophyllum grandimesense B.Gray & D.L.Jones 1989 Queensland Australia
- Bulbophyllum kauloense Schltr. 1913 New Guinea
- Bulbophyllum lamingtonense D.L.Jones 1993 Australia
- Bulbophyllum lewisense B. Gray & D.L. Jones 1989 Australia
- Bulbophyllum muscohaerens J.J.Verm. & A.L.Lamb 1994 Sarawak and Sabah Borneo
- Bulbophyllum piliferum J.J.Sm. 1908 Papua New Guinea
- Bulbophyllum pungens Schltr. 1913 New Guinea
- Bulbophyllum rhopalophorum Schltr. 1913 New Guinea
- Bulbophyllum schillerianum Rchb. f.1860 Australia
- Bulbophyllum semiteres Schltr. 1913 New Guinea
- Bulbophyllum sphaeracron Schltr. 1913 New Guinea
- Bulbophyllum subtrilobatum Schltr. 1913 New Guinea
Bulbophyllum tenue Schltr. 1913 New Guinea
- Bulbophyllum theioglossum Schltr. 1913 New Guinea
- !Bulbophyllum tortuosum Lindl. [Bl.] 1830 eastern Himalayas, Bhutan, Myanamar, Thailand, Malaysia, Laos, Vietnam, Malaysia, Borneo, Java and Sumatra
- Bulbophyllum trichaete Schltr. 1913 New Guinea
- Bulbophyllum wadsworthii Dockrill 1964 Australia
- Bulbophyllum windsorense B.Gray & D.L.Jones 1989 Australia
References W3 Tropicos, Kew Monocot list , IPNI ;
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