Dorsal sepal 16–20 × 15 mm, ovate, very convex, curving forwards, the tip recurved; lateral sepals projecting forwards, 12–15 × 3–6 mm, obliquely lanceolate, adnate to column and base of spur for about half their length.
Petals erect, 2-lobed, with an undivided basal part c. 10 mmlong; posterior lobe 7–8.5 × c. 3 mm, lanceolate, the margins ciliate, adnate to dorsal sepal; anterior lobe 20–33 × 1 mm, linear, fleshy.
Leaves 5–11, the lowermost 1–2 sheathing; the next few suberect or spreading, 3–8 × 1.5–3 cm, lanceolate, acute; the upper ones grading into the bracts.
Anther loculi c. 3 mm high, reclinate, joined by a U-shaped connective c. 4 mm high and 14–16 mm long; canals c. 3 mm long, porrect, then upcurved.
Inflorescence 5–26 × 5–6 cm, laxly 3–17-flowered; bracts 10–30 mm long.
Tubers 1.5–5 × 1–2 cm, ovoid or ellipsoid, woolly.
Stigmatic arms 4–5 mm long, clavate, decurved.
Pedicel and ovary 15–30 mm long, ± straight.
Terrestrial herb 20–60 cm tall.
Flowers green or yellow-green.
Stem leafy.