Fl. us. solitary; floral bract often partly enclosing ovary. Per. glandular-pubescent; dorsal sepal uppermost, shallowly concave; lateral sepals and petals narrower, subsimilar, spreading. Labellum sessile, undivided, broadly expanded; margins entire; calli ± linear, in longitudinal rows. Column elongate, erect to slightly curved, winged; anther terminal, apiculate, papillose, pollinia 2 per cell, pollen finely granular; stigma discoid; rostellum median. Plants terrestrial, with glandular hairs; tubers globose-conical, us. produced at some distance from parent plant. Lvs 2, glandular-hairy, lanceolate to oblong. Monotypic endemic genus, said to have the column of a and the habit of a .