Spathoglottis Blume
Habit: terrestrial herbs
Pseudobulb: ovoid or elliptic or spindle-shaped or ovate or conical, with leaves
Leaf: characteristics: plicate or plicate-venous, sheathing or noding at base, petiolate
Inflorescence: type: raceme
Scape: emerging from center of leaves or pseudobulb base or rhizome, with sheath, hairy
Inflorescence: other characteristics: unbranched
Sepal: free or similar, abaxially hairy
Petal: similar to sepals, broader than sepals
Labellum: with sac or spur or auricles at base, 3-lobed, adnate to column
Column: with wing or triangular-falcate or arm-shaped or subulate appendages, without column foot
Pollinia: number: 8
Pollinia: shape: obovate
Pollinia: other characteristics: with caudicle or viscidium
Viscidium:shape: triangular or subtriangular