Often less than 10cm tall and usually with fewer than 10 tiny green flowers.
About 2.5 mm long. Dorsal sepal short, evenly rounded. Lateral sepals usually pointing straight down. Labellum oblong, the margins with few shallow indentations; anterior callus often not prominent, basal calli large, squarish and almost full width of labellum, their tops almost flat.
December - February.
Montane to alpine open short grass turfs, or boggy areas, streamsides, lakesides.
Usually grows at higher altitudes than M. unifolia.
Very small size, few flowers having a squat labellum with a large callus and almost straight, pendant lateral sepals.