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 aggregatum Bosser 1965 Madagascar

  2. Bulbophyllum ambatoavense Bosser 2004 Madagascar

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

  4. Bulbophyllum ankaratranum Schltr. 1924 Madagascar

  5. Bulbophyllum auriflorum H.Perrier 1937 Madagascar

  6. Bulbophyllum baronii Ridl. 1885 Madagascar

  7. Bulbophyllum brachyphyton Schltr. 1918 Madagascar

  8. Bulbophyllum callosum Bosser 1965 Madagascar

  9. Bulbophyllum comorianum H. Perrier 1938 Comoros

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

  11. Bulbophyllum curvifolium Schltr. 1916 Madagascar

  12. Bulbophyllum cyclanthum Schltr. 1916 Madagascar

  13. Bulbophyllum decaryanum H. Perrier 1937 Madagascar

  14. Bulbophyllum ferkoanum Schltr. 1918 Madagascar

  15. Bulbophyllum florulentum Schltr. 1924 Madagascar

  16. Bulbophyllum henrici Schlechter 1925 Madagascar

  17. Bulbophyllum hovarum Schlechter 1924 Madagascar

  18. Bulbophyllum humbertii Schltr. 1922 Madagascar

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

  20. Bulbophyllum labatii Bosser 2004 Madagascar

  21. Bulbophyllum leandrianum H. Perrier 1937 Madagascar

  22. Bulbophyllum lemuraeoides H.Perrier 1937 Madagascar

  23. Bulbophyllum leptochlamys Schltr. 1924 Madagascar

  24. Bulbophyllum lineariligulatum Schltr. 1924 Madagascar

  25. Bulbophyllum lyperostachyum Schltr. 1924 Madagascar

  26. Bulbophyllum masoalanum Schltr. 1916 Madagascar

  27. Bulbophyllum moramanganum Schltr 1922 Madagascar

  28. Bulbophyllum myrmecochilum Schltr 1925 Madagascar

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

  30. Bulbophyllum ophiuchus Ridl. 1912 Madagascar

  31. Bulbophyllum oreodorum Schltr. 1924 Madagascar

  32. Bulbophyllum paleiferum Schltr. 1924 Madagascar

  33. Bulbophyllum perseverans Hermans 2007 Madagascar

  34. Bulbophyllum peyrotii Bosser 1965 Madagascar

  35. Bulbophyllum platypodum H.Perrier 1937 Madagascar

  36. Bulbophyllum pleiopterum Schltr. 1912 Madagascar

  37. Bulbophyllum protectum H.Perrier 1937 Madagascar

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

  39. Bulbophyllum reifii Sieder & Kiehn 2009 Madagascar

  40. Bulbophyllum rubiginosum Schltr. 1925 Madagascar

  41. Bulbophyllum rutenbergianum Schltr. 1924 Madagascar

  42. Bulbophyllum sarcorhachis Schltr. 1918 Madagascar

  43. Bulbophyllum sphaerobulbum H.Perrier 1937 Madagascar

  44. Bulbophyllum subclavatum Schltr. 1925 Madagascar

  45. Bulbophyllum subcrenulatum Schltr.1925 Madagascar

  46. Bulbophyllum thompsonii Ridley 1885 Madagascar

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

  48. Bulbophyllum vakonae Hermans 2007 Madagascar

  49. Bulbophyllum ventriosum H.Perrier 1937 Madagascar

  50. Bulbophyllum vulcanorum H.Perrier 1938 Madagascar

  51. 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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