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Stem leafy; leaves 7–13, the lowermost 2–3 loosely sheathing, rather funnel-shaped, white with dark green reticulate veining; next 5–6 spreading, the largest 10–20 × 1.5–2.5 cm, linear-lanceolate; the rest becoming bract-like.
Stigmatic arms 5–7 mm long, slender but truncate at apex, diverging from each other at an angle of c. 60°.Rostellum mid-lobe c. 2 mm long; side lobes diverging, lying above stigmatic arms.
Inflorescence 10–30 × 3–4 cm, fairly densely many-flowered, almost all flowers opening together; bracts c. 20 mm long, somewhat scarious.
Sepals all reflexed; dorsal 5–5.5 × 2 mm, lateral sepals 7–8 × 3–4.5 mm, oblique with lateral apiculum.
Anther 2.5–3 mm long; canals 4.5–6 mm long; auricles 2-lobed, papillose.
Pedicel and ovary arched, 12–22 mm long.
Robust terrestrial herb 50–80 cm high.
Tubers 2.5–3 × 1–2 cm, ellipsoid.
Flowers green, white in centre.
