SECTION Lupulina G A Fischer in prep

TYPE: Bulbophyllum occultum Thouars 1822

Synonyms SECTION Calamaria Schlecter; SECTION Ptiloglossum Lindley 1862

Epiphytes with creeping rhizomes giving rise to 1 to 2 leaves pseudobulbs blooming on an elongate, racemose, spirally arranged 4 to many flowered inflorescnece with the rachis not thickened, round in section to spindle shaped, shorter to as long as the nonresupinate flowers with free sepals that are glabeous abaxially. The lip is mobile, undivided with entire to fimbriate margins that are thick and solid. The anther has an abaxial rounded protrusion that does not overtop the margin to a dorsilventrally flattened and a bifid one that overtops the anterior margin either carrying 4 pollina.

There are 3 species in Africa and 18 from Madagascar in savannah woodlands and montane forests at elevations up to 1800 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 bicoloratum Schltr. 1924 Madagascar

  2. Bulbophyllum cirrhoglossum H.Perrier 1951 Madagascar

  3. Bulbophyllum cryptostachyum Schltr. 1924 Madagascar

  4. *Bulbophyllum elliottii Rolfe 1891 Burundia, Zaire, Tanzania, Malawi, Zambia, Zimbabwe, Transvaal South Africa and Madagascar

  5. Bulbophyllum erectum Thouars 1822 Madagascar

  6. Bulbophyllum hildebrandtii Rchb.f. 1881 Madagascar

  7. *Bulbophyllum humblotii Rolfe 1891 Malawi, Tanzania, Zimbabwe, Madagascar and the Seychelles

  8. Bulbophyllum lecouflei Bosser 1989 Madagascar

  9. Bulbophyllum luteobracteatum Jum. & H.Perrier 1912 Madagascar

  10. *Bulbophyllum malawiense B Morris 1968 - Malawi Africa

  11. *!Bulbophyllum occultum Thouars 1822 Madagascar

  12. Bulbophyllum pentastichum (Pfitzer ex Kraenzl.) Schltr. 1915 Madagascar

  13. *Bulbophyllum ptiloglossum H.Wendl. & Kraenzl. 1897 Madagascar

  14. *Bulbophyllum pusillum Thouars 1822 Madagascar

  15. Bulbophyllum quadrifarium Rolfe 1903 Madagascar

  16. Bulbophyllum rubrum Jum. & H.Perrier 1912 Madagascar

  17. Bulbophyllum ruginosum H.Perrier 1937 Madagascar

  18. Bulbophyllum sambiranense Jum. & H.Perrier 1912 Madagascar

  19. *Bulbophyllum senghasii G.A.Fischer & Sieder 2009 Madagascar

  20. Bulbophyllum trifarium Rolfe 1910 Madagascar

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

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