Terrestrial herbs arising from rounded underground tubers. Leaf solitary, basal, linear, hairy. Flowering stem erect, hairy, with a sheathing bract. Flowers with column uppermost, usually solitary, blue (rarely white or pink), with a sheathing bract below pedicel; dorsal sepal erect or recurved; lateral sepals and petals more or less equal to dorsal sepal, spreading to deflexed. Labellum sessile, erect at base, recurved distally, obscurely 3-lobed, margins fringed distally, lamina with 4–8 irregular rows of slightly clubbed calli. Column incurved, winged; anther with a long acute apex.
