Its nodding flowers vary from greenish pink to purple. Arising from a fascicle of fibrous roots, 25 to 60 cm high; several stems may arise from the same rootstock. Leaves 3 to 30, puberulent, ovate-lanceolate, plicate, 3 to 15 cm long and 1.5 to 6 cm wide. Inflorescence a loosely one-sided terminal raceme of 15 to 30 flowers, each subtended by a lanceolate to lance-linear green foliaceous bract 2 to 6 cm long and 1 to 2 cm wide. Sepals ovate-lanceolate, 1 to 1.5 cm long and 5 to 6 mm wide, green and often suffused with pinkish-purple. Petals similar in size and appearance to the sepals. Labellum 1 to 1.5 cm long and 4 to 8 mm wide, divided into two portions by a central constriction. The part closest to the column (hypochile) bowl-shaped, purplish-brown and frequently glossy inside, greenish outside. The second part of the labellum (epichile) triangular, white, green or purplish, with a fleshy callus near the point of attachment to the hypochile.
Prefers shaded woodland environments. Flowers July to August.