Calochilus R.Br., Prodr. (1810) 320
Terrestrial plants with subterranean tubers. Leaf 1, sheathing at the base, narrow, glabrous, dorso-ventrally flattened, not articulate, convolute, often withered at anthesis, herbaceous. Inflorescence terminal, a raceme. Flowers small, resupinate, usually with blue colours on the lip. Sepals free. Petals fairly similar to the lateral sepals. Lip without spur, not mobile, strongly hairy. Column-foot absent. Pollinia 2, mealy, caudicles absent, stipe absent, viscidium absent.
Species present in New Guinea: