Stigmatodactylus Maximowicz ex Makino
Habit: terrestrial herbs
Rhizome: retrose or transverse or creeping or ascending, stemlike
Tuber: present
Stem: glabrous, with leaves
Leaf: characteristics: sessile or subsessile
Inflorescence: type: raceme
Inflorescence: position: terminal or subterminal
Floral bract: leaflike
Sepal: free or similar, lateral sepals spreading or oblique or reflexed or connivent
Petal: similar to sepals
Column: with wing or triangular-falcate or arm-shaped or subulate appendages, without column foot
Stigma: concave, with appendage
Pollinia: number: 4
Pollinia: other characteristics: granular-farinaceous, neither caudicle nor viscidium