SECTION Lemniscata Pfitz 1889

Type: Bulbophyllum lemniscatum Par.ex Hook.f. 1872

According to J J Vermuelen this section is defined by creeping rhizomes with distinct to minute pseudobulbs carrying 2, apical, decidous leaves that blooms on a subumbellate to elongate, racemose, 2 to many flowered inflorescence carrying resupinate flowers with the pedicel basal node more or less level with the attachment of the floral bract. The free dorsal sepals are 1 to 5 veined, have entire, to erose, to irregularily fimbriate, to paleate margins, the laterals are free to adnate usually along the lower margin, are 3 to 5 veined and are 1 to 6.9 times as long as the dorsal. The petals are usually single veined with entire to fimbriate to paleate magins. The undivided mobile lip is on a thin ligament and the stigma of the column is not proximally protruding. The anterior surface of the anther is not concave and the anterior margin is drawn out to a beak or not. There are 4 pollina.

There are about 32 species in forests at elevations up to 400 meters in India, Nepal, Bhutan, China, Myanmar, Laos, Vietnam, Thailand, penninsular Malaysia, Sumatra, Java and Borneo.

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 albibracteum Seidenf. 1979 Thailand and Yunnan China

2. Bulbophyllum auricomum Lindl. 1830 Thailand, Myanmar, Sumatra and Java

3. Bulbophyllum averyanovii Seidenf. 1992 Vietnam

4. Bulbophyllum cariniflorum Rchb. f. 1861 eastern Himalayas Nepal, Bhutan, India, Thailand to Vietnam and Southern China

5. Bulbophyllum comosum Collett & Hemsl. 1890 India, Thailand, Myanmar and Vietnam

6. Bulbophyllum dhaninivatii Seidenf. 1965 Thailand

7. Bulbophyllum hirtum [Sm.]Lindl. 1828 Assam, eastern Himalayas, Nepal, Sikkim, Thailand, Myanmar and Vietnam

8. Bulbophyllum lancifolium Ames 1912 Philippines

9. *Bulbophyllum lemniscatoides Rolfe 1890 Borneo, Java, Sumatra, Thailand, Vietnam and Laos

10. *!Bulbophyllum lemniscatum Par.ex Hook.f. 1872 Thailand and Myanmar

11. Bulbophyllum menglaense Jian W.Li & X.H.Jin 2017 Yunnan China

12. Bulbophyllum muscarirubrum Seidenf. 1979 Thailand

13. Bulbophyllum pallidum Seidenf. 1979 Thailand

14. Bulbophyllum reichenbachii (Kuntze) Schltr. 1915 Myanmar and Thailand

15. Bulbophyllum shanicum King & Pantl. 1897 Yunnan province of China and Myanmar

16. Bulbophyllum suavissimum Rolfe 1889 Thailand and Myanmar

17. Bulbophyllum tripaleum Seidenf. 1979 Thailand

18. Bulbophyllum triste Rchb. f. 1861 western Himalayas, India, Nepal, Sikkim, Myanmar and Thailand