Called first Phyllorchis by Louis-Marie Aubert-Aubert du Petit-Thouars in 1809.

Name: Bublus=bulbl, phyllon=leaves

3 genus now grouped in 1 genus:

• Cirrhopetalum
• Megaclinium
• Bulbophyllum

Number of species: 2,200 (estimate 1,200 if remove potentially errors and duplicate)

Location: all tropical regions – Asia, Africa, America, Australia

Particularity: have rhizome with horizontal development and series of pseudobulb. Each pseudobulb has 1 or 2 leaves and one stem.