Chiloglottis

Terrestrial glabrous herbs, arising from small tubers. Leaves 2, basal, erect or ground-hugging, opposite, margins often undulate or crisped. Flowering stem with bract sheathing pedicel, broadly ovate to ovate-lanceolate, terminated by fine point; pedicel elongating considerably after fertilization. Flower solitary, held almost erect or obliquely erect, with column uppermost, fleshy, green to brown; dorsal sepal erect and incurved; lateral sepals free, deflexed or decurved, linear; petals spreading or reflexed. Labellum undivided, lamina broad, margins entire, narrowing to short attaching segment at base, upper surface with numerous, heterogeneous, darker calli; after maturity lamina drawn upwards so that calli are pressed against the column. Column elongate, slender, incurved, wings prominent in upper half.