SECTION Ploiarium Schlechter 1925

Synonyms SECTION Loxosepalum Schlechter

TYPE: Bulbophyllum coriophorum Ridl. 1886

Characterized by medium to large sized plants with 2 leaved pseudobulbs and blooms on a many flowered inflorescence carrying flowers with the lateral sepals united into an elliptic to semi-circular synsepal that is bifid or bidentate apically, keeled on the reverse which extends into the ovary and the flower has short stellida. The anther is with or without a rounded protrusion that is shorter than the anterior margin.

There are about 75 species in this section confined to Madagascar occuring in humid lowland and montane forests

Entries below with an asterix are listed in publications by J J Vermeullen or G A Fischer 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 abbreviatum Schlechter 1924 Madgascar

  2. Bulbophyllum aggregatum Bosser 1965 Madagascar

  3. Bulbophyllum alleizettei Schltr. 1922 Madagascar

  4. Bulbophyllum ambatoavense Bosser 2004 Madagascar

  5. Bulbophyllum ankaizinense (Jum. & H. Perrier) Schltr. 1924 Madagascar

  6. Bulbophyllum ankaratranum Schltr. 1924 Madagascar

  7. Bulbophyllum auriflorum H.Perrier 1937 Madagascar

  8. Bulbophyllum baronii Ridl. 1885 Madagascar

  9. Bulbophyllum brachyphyton Schltr. 1918 Madagascar

  10. Bulbophyllum callosum Bosser 1965 Madagascar

  11. Bulbophyllum clavatum Thouars 1822 Mascarenes and Reunion

  12. Bulbophyllum coccinatum H.Perrier 1938 Madagascar

  13. Bulbophyllum comorianum H. Perrier 1938 Comoros

  14. Bulbophyllum conicum Thouars 1822 Reunion

  15. *!Bulbophyllum coriophorum Ridl. 1886 Madagascar and the Comoros Islands

  16. Bulbophyllum curvifolium Schltr. 1916 Madagascar

  17. Bulbophyllum cyclanthum Schltr. 1916 Madagascar

  18. Bulbophyllum decaryanum H. Perrier 1937 Madagascar

  19. Bulbophyllum divaricatum H.Perrier 1937 Madagascar

  20. Bulbophyllum ferkoanum Schltr. 1918 Madagascar

  21. Bulbophyllum florulentum Schltr. 1924 Madagascar

  22. Bulbophyllum henrici Schlechter 1925 Madagascar

  23. Bulbophyllum hirsutiusculum H.Perrier 1937 Madagascar

  24. Bulbophyllum hovarum Schlechter 1924 Madagascar

  25. Bulbophyllum humbertii Schltr. 1922 Madagascar

  26. Bulbophyllum incurvum Thouars 1822 Madagascar, Mauritius, Rodrigues and Reunion

  27. Bulbophyllum jackyi G.A.Fisch., Sieder & P.J.Cribb 2007 Madagascar

  28. Bulbophyllum labatii Bosser 2004 Madagascar

  29. Bulbophyllum leandrianum H. Perrier 1937 Madagascar

  30. Bulbophyllum lemuraeoides H.Perrier 1937 Madagascar

  31. Bulbophyllum leonii Kraenzl. 1900 Madagascar

  32. Bulbophyllum leptochlamys Schltr. 1924 Madagascar

  33. Bulbophyllum lineariligulatum Schltr. 1924 Madagascar

  34. Bulbophyllum lyperostachyum Schltr. 1924 Madagascar

  35. Bulbophyllum marojejiense H.Perrier 1951 Madagascar

  36. Bulbophyllum masoalanum Schltr. 1916 Madagascar

  37. Bulbophyllum melleum H.Perrier 1937 Madagascar

  38. Bulbophyllum minax Schltr. 1924 Madagacar

  39. Bulbophyllum moramanganum Schltr 1922 Madagascar

  40. Bulbophyllum multiflorum Ridl. 1885 Madagascar

  41. Bulbophyllum myrmecochilum Schltr 1925 Madagascar

  42. Bulbophyllum namoronae Bosser 1971 Madagascar

  43. Bulbophyllum nitens Jum. & H.Perrier 1912 Madagascar

  44. Bulbophyllum ophiuchus Ridl. 1912 Madagascar

  45. Bulbophyllum oreodorum Schltr. 1924 Madagascar

  46. Bulbophyllum paleiferum Schltr. 1924 Madagascar

  47. Bulbophyllum perseverans Hermans 2007 Madagascar

  48. Bulbophyllum peyrotii Bosser 1965 Madagascar

  49. Bulbophyllum platypodum H.Perrier 1937 Madagascar

  50. Bulbophyllum pleiopterum Schltr. 1912 Madagascar

  51. Bulbophyllum prismaticum Thouars 1822 Reunion

  52. Bulbophyllum protectum H.Perrier 1937 Madagascar

  53. Bulbophyllum quadrialatum H.Perrier 1939 Madagascar

  54. Bulbophyllum ranomafanae Bosser & P.J. Cribb 2001 Madagascar

  55. Bulbophyllum reifii Sieder & Kiehn 2009 Madagascar

  56. Bulbophyllum rubiginosum Schltr. 1925 Madagascar

  57. Bulbophyllum rutenbergianum Schltr. 1924 Madagascar

  58. Bulbophyllum sarcorhachis Schltr. 1918 Madagascar

  59. Bulbophyllum sphaerobulbum H.Perrier 1937 Madagascar

  60. Bulbophyllum subclavatum Schltr. 1925 Madagascar

  61. Bulbophyllum subcrenulatum Schltr.1925 Madagascar

  62. Bulbophyllum thompsonii Ridley 1885 Madagascar

  63. Bulbophyllum toilliezae Bosser 1965 Madagascar

  64. Bulbophyllum turkii Bosser & P.J.Cribb 2001 Madagascar

  65. Bulbophyllum vakonae Hermans 2007 Madagascar

  66. Bulbophyllum ventriosum H.Perrier 1937 Madagascar

  67. Bulbophyllum vulcanorum H.Perrier 1938 Madagascar

  68. Bulbophyllum xanthobulbum Schltr. 1918 Madagascar

References W3 Tropicos, Kew Monocot list , IPNI ; Genera Orchidacearum Vol 6 Epidendroideae Pt 3 Pridgeon, Cribb Chase & Ramussen 2014

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