Terrestrial herb perennating by tubers, rarely with separate sterile and fertile shoots.Sterile shoots to 7 cm long, usually 2-leaved.Fertile shoots erect, 25–60 cm tall; cauline leave 5–10, imbricate to lax, the lower half to third sheathing, blades 4.5–8(14) cm long, lanceolate to narrowly ovate, obtuse or acute.Inflorescence slender, lax to subimbricate, 8–30 cm long, 15–70-flowered.Floral bracts about as long as the ovary, narrowly ovate to narrowly lanceolate, apex occasionally reflexed, dry, papery.Flowers facing down at an angle of 45°, pale mauve and spotted darker mauve.Dorsal sepal spathulate; galea 5–8 mm tall, 1.5–3.5 mm wide and 2–3 mm deep, ovate to elliptic, obtuse to acuminate.Spur massive, 4–6 mm long, conical to rarely straight, laterally flattened; apex usually rounded, rarely acute.Lateral sepals oblique, 5–7 mm long, narrowly oblong, acute with apiculi 2–4(6) mm long.Petals erect, 3.5–5 mm long, oblique, falcate, approximately oblong in outline, subacute.Lip 4.5–5.5 mm long, narrowly elliptic, subacute, upper surface convex and papillate.Rostellum erect, c. 2 mm tall, lateral lobes fused to petals by long keels.Anther horizontal, c. 2 mm long.Stigma flat, almost square.
