SECTION Minutissima Pfitzer 1889

TYPE SPECIES - Bulbophyllum (“Bolbophyllum”) minutissimum F. Muell. 1878

Distinguished by the single flowered inflorescence, the basal node of the pedicel well above the attachment of the floral bract, the glabrous flowers, stellida that are so short that their apex is about level with the rostellum front or even shorter as well as being small mat forming plants with wiry thin rhizomes except the species B perparvulum that grows in tufts.

These are straggling to creeping epiphytes with distinct to minute pseudobulbs carrying a single, persistent leaf that blooms on a single flowered inflorescence carrying a resupinate flower with the basal node of the pedicel above the attachment of the floral bract. The sepals are free are more or less equal and have 1 to 3 veins, the petals are usually single veined, there are 2 to 4 pollina.

There area 23 species in this section from forests at elevations up to 2400 meters in Thailand, Sumatra, Java, New Guinea, New Caledonia, Australia and New Zealand

Entries below with an asterix are listed in publications by E. Smidt 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.

SynonymsSECTION Nematorhizis Schltr. 1913;

1. *Bulbophyllum alagense Ames 1907 the Philippines [now considered to be B mucronatum ssp alagense]

2. Bulbophyllum ankerae J J Verm & O'Byrne 2011 - Sulawesi

3. Bulbophyllum canlaonense Ames 1912 Philippines

4. Bulbophyllum cyclophyllum Schltr. 1913 New Guinea

5. Bulbophyllum flavicolor J.J.Sm. 1929 western New Guinea

6. Bulbophyllum globuliforme Nichols 1938 Australia

7. Bulbophyllum keekee N.Hallé 1977 New Caledonia

8. Bulbophyllum lemnifolium Schltr. 1913 New Guinea

9. *Bulbophyllum lokonense Schltr. 1911 Sulawesi

10. Bulbophyllum maskeliyense Livera 1926 Sri Lanka

11. Bulbophyllum microcala P.F.Hunt 1970 Papua New Guinea

12. Bulbophyllum microsphaerum Schltr. 1913 New Guinea

13. *!Bulbophyllum minutissimum F. Muell. 1878 Australia, Laos, Cambodia, Vietnam, India, Myanmar and Thailand

14. Bulbophyllum moniliforme Par & Rchb.f 1874 Laos, Cambodia, Vietnam, India, Myanmar and Thailand

15. *Bulbophyllum mucronatum (Blume) Lindl. 1830 Java, Borneo, Sulawesi

16. *Bulbophyllum nematocaulon Ridl.1920 Malaysia and Borneo

17. Bulbophyllum nematorhizis Schltr. 1913 New Guinea

18. Bulbophyllum oreocharis Schltr. 1913 New Guinea

19. Bulbophyllum perparvulum Schlechter 1915 - Borneo

20. Bulbophyllum pygmaeum (Sm.) Lindl. 1830 New Zealand

21. Bulbophyllum tricarinatum Petch 1923 Sri Lanka

22. Bulbophyllum trinervium J.J.Sm. 1935 western New Guinea

    References W3 Tropicos, Kew Monocot list , IPNI ; Thirty Two New Species of Bulbophyllum (Orchidaceae)from Sulawesi J.J. VERMEULEN 1 AND P. O’BYRNE Gard. Bulletin Singapore 60 (1): 73-153 2008; Bulbophyllum of Sulawesi Vermeulen & O'Byrne 2011; 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;