SECTION Racemosae Benth & Hkr.f 1883

TYPE = Bulbophyllum careyanum [Hkr.] Spreng 1826

These are creeping to straggling epiphytes with shoots developing from the nodes beneath the pseudobulb but not fused to them, with pseudobulbs carrying a single, persistent, thick, without conspicuous veined leaf that blooms on a from the nodes beneath the pseudobulb, solitary, many flowered inflorescence with contracted to elongate racemes with spirally arranged, simultaneously opening, resupinate flowers. The peduncle with 3 to 7 bracts, the rachis thickened or not, floral bracts amplexicaul and the basal node of the pedicel is level with or less than the diameter of the pedicel above the attachment of the floral bract. The dorsal sepal is free, obovate to elliptic, rounded to acuminate, 3 to 7 veined, margins entire, glabrous, abaxially sometimes verrucate. The laterals are 1.2 to 2.3 times longer than the dorsal, loosely adhering along the lower margin, ovate and subacute to acuminate. The petals are .06 to .18" [1.5 to 4.5 mm] long, ovate to triangular, almost acute to caudate, glabrous, single veined [except B allenkerrii and B bittnerianum which have 3], margins entire to erose to denticulate. THe column has a rostellum with the anterior surface receding in between the stelida apices and the stigm is not proximally protruding [B tricorne and B tricornioides have a tooth]. There are 4 pollina with the inner ones about half as long as the outer ones.

There are about 38 species in this section from India, Nepal, Bhutan, Myanmar, Thailand, China, Vietnam, Laos and penninsular Malaysia in forests at elevations up to 1200 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 allenkerrii Seidenf. 1979 Laos and Thailand

  2. Bulbophyllum bariense Gagnep. 1930 Vietnam

  3. *Bulbophyllum bittnerianum Schlechter 1910 Thailand

  4. *!Bulbophyllum careyanum (Hook.) Spreng. 1826 eastern Himalayas, Assam, Nepal, Bhutan, Sikkim, Myanmar, Thailand, and Vietnam

  5. Bulbophyllum crassipes Hook. f. 1896 Assam, eastern Himalayas, Bhutan, India, Andaman Islands, Myanmar, Thailand, Laos and Vietnam

  6. Bulbophyllum cupreum Lindley 1838 Myanmar, the Malay pennisula and the Philippines

  7. Bulbophyllum dissitiflorum Seidenf. 1979 Thailand

  8. Bulbophyllum elassonotum Summerh. 1935 Vietnam

  9. Bulbophyllum insulsoides Seidenf. 1973 publ. 1974 Taiwan

  10. Bulbophyllum intricatum Seidenf. 1979 Thailand

  11. Bulbophyllum laoticum Gagnep. 1830 Laos

  12. Bulbophyllum lilacinum Ridl. 1896 Penninsular Malaysia and Thailand

  13. Bulbophyllum longibracteatum Seidenf. 1979 Thailand and Laos

  14. Bulbophyllum luanii Tixier 1965 Vietnam and Thailand

  15. Bulbophyllum microtepalum Rchb. f. 1864 Myanmar and Thailand

  16. Bulbophyllum morphologorum Kraenzl. 1908 Thailand and Vietnam

  17. Bulbophyllum nesiotes Seidenf. 1979 Thailand

  18. Bulbophyllum orientale Seidenf. 1979 Southern Yunnan China, Thailand and Vietnam

  19. Bulbophyllum parviflorum C.S.P.Parish & Rchb.f. 1874 Eastern Himalayas, Bhutan, Myanmar, Thailand and Vietnam

  20. Bulbophyllum peninsulare Seidenf 1979. Thailand

  21. Bulbophyllum phayamense Seidenf. 1979 Andaman Island in southern Thailand

  22. Bulbophyllum propinquum Kraenzl. 1908 Thailand

  23. Bulbophyllum putii Seidenf. 1979 Thailand and Vietnam

  24. Bulbophyllum rufilabrum Parish ex Hook. f. 1890 Thailand, Myanmar and India

  25. Bulbophyllum rufinum Rchb.f 1900 India, eastern Himalayas, Myanmar, Thailand, Cambodia, Laos, and Vietnam

  26. Bulbophyllum sicyobulbon Parish & Rchb. f. 1874 Myanmar, Malaysia and Thailand

  27. Bulbophyllum sterile (Lam.) Suresh 1988 Nilgiri Hills of India

  28. Bulbophyllum striatulum Aver. 2016 Vietnam

  29. *Bulbophyllum tricorne Seidenf. & Smitin. 1965 Thailand

  30. *Bulbophyllum tricornoides Seidenf. 1979 Thailand

  31. Bulbophyllum tridentatum Kraenzl. 1901 Thailand

  32. Bulbophyllum wangkaense Seidenf. 1979 Thailand

  33. Bulbophyllum xanthum Ridl. 1920 penninsular Malaysia

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