Pachystoma Blume
Habit: terrestrial herbs, saprophytic herbs
Leaf: characteristics: 1, 2
Inflorescence: type: raceme
Floral bract: pubescent or ciliate or notched at margin
Scape: with sheath
Flower: other characteristics: pendulous
Sepal: free or similar, lateral sepals adnate to column foot or labellum forming a mentum, lateral sepals spreading or oblique or reflexed or connivent
Petal: narrower than sepals or as long as dorsal sepal
Labellum: 3-lobed, adnate to column
Column: with column foot, without column foot
Pollinia: number: 8
Pollinia: shape: obovate
Pollinia: other characteristics: neither caudicle nor viscidium