Dorsal sepal spathulate; claw 16–17 × 3–4 mm, erect, canaliculate; blade 13–20 mm long, ovate, subcordate, obtuse, galea c. 8 mm deep, curved forwards.
Fertile shoots 40–60 cm tall; cauline leaves imbricate, 4–8 cm long and 12–18 mm wide, sheathing, apices free; basal leaves reduced to sheaths.
Spur pendent from a ridge below the middle of the dorsal sepal, 13–16 mm long, filiform to rarely subclavate.
Floral bracts 5–7 cm long, lanceolate, long-acuminate, the apical part rolled, overtopping the flowers.
Sterile shoots 2–3-leaved; leaves up to 22 × 1 cm, linear, acute, erect.
Lateral sepals 21–36 mm long, obliquely oblong, subobtuse to acute.
Anther erect, 6– tall; connective longer than the cells.
Terrestrial herb with separate fertile and sterile shoots.
Flowers red, pink or scarlet, the galea with darker spots.
Inflorescence lax, 8–16 cm long, 2–8-flowered.
Lip pendent, 14–22 mm long, linear.
Stigma 3–4 mm in diameter.
Ovary c. 2 cm long.