Cystorchis peliocaulos Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1911) 67
Type: Schlechter 17271 (holo B, lost)
Leafless terrestrial, erect, small, about 8-13 cm high. Rhizome short, decumbent, stem-like. Roots very short, shortly villose. Stem straight or almost straight, terete, glabrous. Leaves reduced to scales, up to 6, clasping the stem, more or less distant, acute or subacute. Inflorescence erect, densely 4-8-flowered, rachis up to 3 cm long. Bracts ovate, acuminate, glabrous, erect, usually a little longer than the ovary. Flowers erect or suberect. Sepals lanceolate, obtuse, glabrous, 0.5 cm long. Lateral sepals oblique, at the base with the anterior margin somewhat dilated, decurrent. Petals obliquely lanceolate-ligulate, narrowly obtuse, glabrous, margins irregular, almost as long as and adhering to the sepals. Lip as long as the petals, lanceolate, obtuse, widened at the base, concave, margins incurved, in the middle provided with a very small rounded lobule, in front converging and touching, slightly undulate. Column short; rostellum short, apex shortly notched. Anther broadly ovate-cucullate, acute, short, dorsally with a large umbo. Ovary cylindrical, glabrous, 0.6 cm long. (After Schlechter, 1911-1914).
Colours: Whole plant yellowish white. Flowers pale brownish with white tips.
Habitat: Terrestrial in lowland rainforest. Altitude 300 m.
Flowering time in the wild: April.
Distribution: Malesia (New Guinea, endemic).
Distribution in New Guinea: Papua New Guinea.
Cultivation: Leafless mycotrophic plant,impossible to grow under normal conditions.