Dilochia Lindl., Gen. Sp. Orchid. Pl. (1830) 38
Sympodial terrestrial or sometimes epiphytic plants with very short rhizomes. Stem slender, often very tall, not branching, not fleshy, many-leaved. Leaves sheathing at the base, arranged in two rows, glabrous, deciduous, convolute, thin-textured but rather stiff. Inflorescence terminal, a raceme or a panicle, sometimes carrying a single flower, arising from a mature stem. Flowers medium-sized to rather large, resupinate, fairly showy. Sepals free. Petals similar to the lateral sepals or somewhat narrower. Lip without spur, not mobile. Column-foot absent. Pollinia 8, solid, caudicles present, stipe absent, viscidium absent.
Species present in New Guinea: