An orchid. The leafy shoots are 14 cm tall. There are 1-4 leaves. The flowering shoots are 60-100 cm tall. The flowers are mauve to purple.
Spur borne horizontally from a broad conical base, soon decurved, 12–17 mm long, slender in the middle, the apex clavate or subclavate.
Sterile shoots to 14 cm tall, 1–4-leaved; leaves erect, conduplicate, 15–30 cm long, elliptic to oblanceolate, acute.
Dorsal sepal galeate; galea, rounded, erect 12–18 mm long, 8–15 mm wide and 12–16 mm deep, ovate.
Terrestrial herb with separate fertile and sterile shoots; perennating by testicular tubers.
Floral bracts overtopping the flowers, 2.5–4.5 cm long, lanceolate, acute to acuminate.
Lateral sepals 13–20 mm long, sub-oblique, oblong, sub-acute to rounded.
Flowers borne horizontally, mauve to purple, the galea spotted.
Inflorescence lax to sub-dense, 15–25 cm long, 15–30-flowered.
Petals 15–18 mm long, narrowly lanceolate, acute, erect.
Lip 11–15 mm long, linear, rounded or truncate.
Rostellum lateral lobes parallel, c. 2 mm tall.
Ovary 1.5–2.5 cm long.
Anther 5–6 mm long.
Stigma subsessile.