Description: Epiphytic herbs, monopodial; roots creeping over the surface of the substrate or aerial, fibrous.
Leaves tufted at apex of the stem, 2 or more per shoot, distichous, conduplicate, sometimes with dark spotting.
Inflorescence racemose, lateral, several-flowered; flowers resupinate. Dorsal sepal free, similar to, but slightly shorter than lateral sepals. Lateral sepals free. Lateral petals free, shorter than sepals. Labellum free, rigidly attached at base of column; lamina 3-lobed, with a prominent, backward-pointing spur, bearing a broad, deeply 2-fid callus. Column lacking free filament and style; column wings apparently absent. Column foot absent. Anther incumbent, cap-like. Pollinia 4, waxy. Stigma entire. Rostellum prominent, decurved, ventral.
Distribution and occurrence: World: 1 species, endemic Australia. Australia: 1 species, endemic.
Text by P. H. Weston