Bulbophyllum sect. Hirtula
Bulbophyllum sect. Hirtula is a section of the genus Bulbophyllum. Description
Species in this section are Epiphytic or lithophytic perennial herbs, creeping rhizomatic, 1-leaved subglobular or oblate pseudobulbs. Inflorescence many 
flowered raceme or spike, often with swollen rachis, flowers with 4 paired pollina. Distribution
Plants from this section are found in Nepal, Bhutan, NE. India, Myanmar, South China, Thailand, Peninsular Malaysia, Sumatra, Java,
Borneo, Sulawesi, Philippines, New Guinea. Species
Bulbophyllum section  Hirtula comprises the following species:

References

Orchid subgenera