SECTION Oxysepala Bentham & J D Hook.f. 1883

Type: Bulbophyllum clandestinum Lindl. 1841

SYNONYMS - Diphyes SECTION Monanthes Bl. 1825; SECTION Polyblepharon Schltr. 1912; SECTION Hybochilus Schlechter 1912; SECTION Monanthes [Bl] Avery. 1994

Single flowered inflorescence with resupinate flowers, tubular floral bracts, the pedicel basal node level with the attachment of the floral bract, the sepals usually nearly equal, usually 3 veined, margins glabrous to ciliate, with a free dorsal sepal, laterals free to connate along their lower margins. Single veined petals have entire to erose, glabrous to ciliate. The mobile lip is on a thin ligament and is undivided, auriculate to trilobed. There are 2 or 4 pollina.

There are about 150 species in this section confined to India, China, Indochina, to Australia and the Pacific in forests at elevations up to 3000 meters

Entries below with an asterix are listed in publications by J J Vermeullen and so are more likely correct than ones without. Species with a question mark in front, seem to me, to not conform and so please use with caution.

  1. *Bulbophyllum acutilobum J.J.Verm. & P.O'Byrne 2008 Sulawesi

  2. Bulbophyllum amblyacron Schltr. 1913 New Guinea

  3. Bulbophyllum amblyanthum Schltr. 1913 New Guinea

  4. Bulbophyllum angusteovatum Seidenf. 1979 Thailand

  5. *Bulbophyllum auritum J.J.Verm. & P.O'Byrne 2008 Sulawesi

  6. Bulbophyllum bicaudatum Schltr. 1913 New Guinea

  7. Bulbophyllum bisepalum Schltr. 1905 New Guinea

  8. Bulbophyllum blepharocardium Schltr. 1913 New Guinea

  9. Bulbophyllum cadetioides Schltr. 1913 New Guinea

  10. Bulbophyllum cerambyx J.J.Sm. 1915 New Guinea

  11. Bulbophyllum chalcochloron J.J.Verm. 2008 Papua New Guinea

  12. Bulbophyllum chlorolirion J.J.Verm. 2008 Papua New Guinea

  13. Bulbophyllum ciliolatum Schltr. 1913 New Guinea

  14. Bulbophyllum citrellum Ridl. 1916 New Guinea

  15. Bulbophyllum citrinilabre J.J.Sm. 1913 New Guinea, Solomon Islands

  16. *!Bulbophyllum clandestinum Lindl. 1841 Thailand, Laos, Vietnam, Myanmar, Malaysia, Sulawesi, the Molouccas, Sumatra, Borneo, New Guinea, Java, the Philippines and Fiji

  17. *Bulbophyllum consimile J J Verm & O'Byrne 2008 - Sulawesi

  18. Bulbophyllum crassulifolium (A. Cunn.) Rupp 1937 Australia from SE New South Wales to SE Queensland

  19. Bulbophyllum decumbens Schltr. 1913 New Guinea

  20. *Bulbophyllum decurrentilobum J.J.Verm. & P.O'Byrne 2003 Sulawesi

  21. Bulbophyllum depressum King & Pantl. 1897 India, China, Thailand, Malaysia, Borneo, Sumatra and Java

  22. Bulbophyllum dichaeoides Schltr. 1913 New Guinea

  23. Bulbophyllum dichilus Schltr. 1913 New Guinea

  24. *Bulbophyllum dischidiifolium J.J.Sm. 1909 Borneo, Sulawesi and New Guinea

    Bulbophyllum dryadum Schltr. 1913New Guinea

  25. Bulbophyllum eciliatum Schltr. 1913 New Guinea

  26. Bulbophyllum elegantius Schltr. 1913 New Guinea

  27. Bulbophyllum endotrachys Schltr. 1913 New Guinea

  28. Bulbophyllum fibristectum J.J.Verm. 2008 Papua New Guinea

  29. Bulbophyllum filicaule J.J.Sm. 1913 New Guinea

  30. Bulbophyllum finisterrae Schltr. 1913 New Guinea

  31. Bulbophyllum flavum Schltr. 1913 New Guinea

  32. Bulbophyllum flexuosum Schlechter 1913 New Guinea

  33. Bulbophyllum floribundum J.J.Sm. 1912 New Guinea

  34. Bulbophyllum fuscatum Schlechter 1913 New Guinea

  35. Bulbophyllum gadgarrense Rupp 1950 Australia

  36. Bulbophyllum gautierense J.J.Sm. 1912 New Guinea

  37. Bulbophyllum glabrum Schltr. 1913 New Guinea

  38. Bulbophyllum grandimesense B.Gray & D.L.Jones 1989 Queensland Australia

  39. Bulbophyllum heteroblepharon Schltr. 1913 New Guinea

  40. Bulbophyllum hexurum Schltr. 1913 New Guinea

  41. Bulbophyllum hollandianum J.J.Sm. 1913 New Guinea

  42. Bulbophyllum ignobile J.J.Sm. 1934 New Guinea

  43. Bulbophyllum inauditum Schltr. 1913 New Guinea

  44. Bulbophyllum incumbens Schltr. 1913 New Guinea

  45. Bulbophyllum inversum Schltr. 1913 New Guinea

  46. Bulbophyllum kauloense Schltr. 1913 New Guinea

  47. Bulbophyllum kenejianum Schltr. 1913 New Guinea

  48. Bulbophyllum korimense J.J.Sm. 1929 New Guinea, Solomin Islands

  49. Bulbophyllum lamingtonense D.L.Jones 1993 Australia

  50. Bulbophyllum leptoflorum P.O'Byrne & P.T.Ong 2014 penninsular Malaysia

  51. Bulbophyllum lewisense B. Gray & D.L. Jones 1989 Australia

  52. Bulbophyllum lichenoides Schltr. 1913 New Guinea

  53. Bulbophyllum lineariflorum J.J.Sm. 1911 New Guinea

  54. Bulbophyllum linearilabium J.J.Sm. 1912 Moluccas and New Guinea

  55. Bulbophyllum lophoglottis (Guillaumin) N.Halle 1977 New Caledonia

  56. Bulbophyllum loxophyllum Schltr. 1913 New Guinea

  57. Bulbophyllum maboroense Schltr. 1913 New Guinea

  58. Bulbophyllum macphersonii Rupp 1934 Queensland, Australia

  59. Bulbophyllum masarangicum Schltr. 1911 Sulawesi

  60. Bulbophyllum masonii (Senghas) J.J.Wood 1986 Papua New Guinea

  61. Bulbophyllum mattesii Sieder & Kiehn 2009 New Guinea

  62. Bulbophyllum microblepharon Schltr. 1913 New Guinea

  63. Bulbophyllum microdendron Schltr. 1913 New Guinea

  64. Bulbophyllum minutibulbum W.Kittr. 1984 publ. 1985 New Guinea

  65. Bulbophyllum montanum Schltr. 1913 New Guinea

  66. Bulbophyllum myolaense Garay, Hamer & Siegerist 1995 New Guinea

  67. Bulbophyllum myrtillus Schltr. 1913 New Guinea

  68. Bulbophyllum navicula Schltr. 1913 New Guinea

  69. Bulbophyllum nigrilabium Schltr. 1913 New Guinea

  70. *Bulbophyllum nummularioides Schltr. 1913 New Guinea

  71. Bulbophyllum obyrnei Garay, Hamer & Siegerist 1995 New Guinea

  72. Bulbophyllum odontostigma J.J.Verm. 2008 Irian Jaya New Guinea

  73. Bulbophyllum oligochaete Schltr. 1913 New Guinea

  74. *Bulbophyllum oncopus - Sulawesi

  75. Bulbophyllum orohense J.J.Sm. 1915 New Guinea

  76. Bulbophyllum pachyacris J.J.Sm. 1908 New Guinea

  77. Bulbophyllum papuaense X.H.Jin 2020 New Guinea

  78. Bulbophyllum perexiguum Ridl. 1916 New Guinea

  79. Bulbophyllum piliferum J.J.Sm. 1908 Papua New Guinea

  80. Bulbophyllum plumula Schltr. 1913 New Guinea

  81. Bulbophyllum polyblepharon Schltr. 1905 New Guinea

  82. Bulbophyllum pseudofilicaule J.J.Sm. 1935 New Guinea

  83. Bulbophyllum pseudoserrulatum J.J.Sm. 1912 - New Guinea

  84. Bulbophyllum ptilotes Schltr. 1913New Guinea

  85. Bulbophyllum ptychostigma J.J.Verm. 2008 Papua New Guinea

  86. Bulbophyllum punamense Schltr. 1913 New Ireland, New Guinea

  87. Bulbophyllum pungens Schltr. 1913 New Guinea

  88. Bulbophyllum quadrifalciculatum J.J.Sm. 1929 New Guinea

  89. Bulbophyllum quadrisubulatum J.J.Sm. 1929 New Guinea

  90. Bulbophyllum quinquelobum Schltr.1913 New Guinea

  91. Bulbophyllum rarum Schltr. 1913 New Guinea

  92. Bulbophyllum recurviflorum J.J.Sm. 1903 Moluccas

  93. *Bulbophyllum renipetalum Schltr. 1913 New Guinea and Sulawesi

    Bulbophyllum rhopaloblepharon Schltr. 1913 New Guinea

  94. Bulbophyllum rhopalophorum Schltr. 1913 New Guinea

  95. Bulbophyllum riparium J.J.Sm. 1929 New Guinea

  96. Bulbophyllum saccolabioides J.J.Sm. 1929 New Guinea

  97. Bulbophyllum schillerianum Rchb. f.1860 Australia

  98. Bulbophyllum scopula Schltr. 1913 New Guinea

  99. Bulbophyllum semiteres Schltr. 1913 New Guinea

  100. Bulbophyllum serrulatifolium J.J.Sm. 1929 New Guinea

  101. Bulbophyllum serrulatum Schltr. 1905 New Guinea

  102. Bulbophyllum shepherdi F. Muell. 1862 Queensland and New South Wales Australia

    Bulbophyllum sp.32 New Guinea

    Bulbophyllum sp.33 New Guinea

    Bulbophyllum sp.41 MAYBE ---New Guinea

  103. Bulbophyllum sphaeracron Schltr. 1913 New Guinea

  104. Bulbophyllum stemonochilum J.J.Verm. 2008 Irian Jaya New Guinea

  105. Bulbophyllum stenochilum Schltr.1913New Guinea and Solomon Islands

  106. Bulbophyllum subtrilobatum Schltr. 1913 New Guinea

  107. Bulbophyllum tentaculiferum Schltr. 1913 New Guinea

  108. Bulbophyllum tenue Schltr. 1913 New Guinea

  109. Bulbophyllum theioglossum Schltr. 1913 New Guinea

  110. Bulbophyllum torquatum J.J.Sm. 1929

  111. *!Bulbophyllum tortuosum Lindl. [Bl.] 1830 eastern Himalayas, Bhutan, Myanmar, Thailand, Malaysia, Laos, Vietnam, Malaysia, Borneo, Java and Sumatra

  112. Bulbophyllum trachybracteum Schltr. 1913 New Guinea

  113. Bulbophyllum trichaete Schltr. 1913 New Guinea

  114. Bulbophyllum triclavigerum J.J.Sm.1913 New Guinea

  115. Bulbophyllum tumoriferum Schltr. 1913 New Guinea

  116. *Bulbophyllum unicinatum J J Verm. & O'Byrne 2003 - Sulawesi

  117. Bulbophyllum unguilabium Schltr. 1913 New Guinea

  118. Bulbophyllum unicaudatum Schltr.1913 New Guinea

  119. Bulbophyllum vaccinioides Schltr. 1913 New Guinea

  120. Bulbophyllum verruculatum Schltr. 1913 New Guinea

  121. Bulbophyllum vexillarium Ridl. 1916 New Guinea

  122. Bulbophyllum wadsworthii Dockrill 1964 Australia

  123. Bulbophyllum williamsii A.D.Hawkes 1956 Philippines

  124. Bulbophyllum windsorense B.Gray & D.L.Jones 1989 Australia

  125. Bulbophyllum xanthornis Schuit. & de Vogel 2002 New Guinea

  126. Bulbophyllum xanthotes Schltr. 1913 New Guinea

References W3 Tropicos, Kew Monocot list , IPNI ; New species of Bulbophyllum from eastern Malesia (Orchidaceae) Nordic Journal of Botany 26: 129195, 2008 Vermuellen; Genera Orchidacearum Vol 6 Epidendroideae Pt 3 Pridgeon, Cribb Chase & Ramussen 2014; Bulbophyllum of Borneo J J Verm, P O'Byrne and Lamb 2015 photos/drawing fide;

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