General: perennial, saprophytic, lacking chlorophyll, 15-40 cm tall, the stems usually purplish- tinged, from thick, coral-like roots.
Leaves: alternate, reduced to thin, semi-transparent sheaths on the stem.
Flowers: 7-30 in a narrow cluster up to 2 dm tall, the flower stalks stout, 1-3 mm long. Tepals pink or yellowish-pink, with usually 3 narrow, lengthwise, purplish stripes. Sepals oblong-lanceolate, 10-17 mm long, 2-4 mm broad, the side pair about horizontal, not joined in front of the column, a spur lacking. Petals slightly shorter but broader than the sepals, narrowly oblong-obovate, 3-6 mm broad, the lip broadly oblong-elliptic, not lobed, 8-15 mm long, 6-8 mm broad, concave, with upturned and strongly thickened edges, the stripes deep-colored and merging at the tip. Reproductive column 4-7 mm long, deeply purple-spotted near the base.