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Sterile shoot 3–4-leaved; lowermost 1–2 leaves sheathing; upper leaves to 10 × 3.5 cm, lanceolate or elliptical.
Median sepal 5–7.5 × 1–1.5 mm, oblong; lateral sepals of similar length, c. 2 mm wide, obliquely oblanceolate.
Column curved, 5 mm long; rostellum mid-lobe spade-shaped from a narrow base, much longer than side lobes.
Terrestrial herb 40–80 cm high; tubers up to 4.5 cm long, ovoid or ellipsoid, villous.
Sepals and petals decurved, joined to each other and lip for about half their length.
Lip fleshy, 5.5–7 mm long, ellipsoid, the apex reflexed, narrow-mouthed.
Inflorescence 11–32 × 2–3 cm, cylindrical, fairly laxly many-flowered.
Flowering stem with 7–12 sheathing leaves up to 7 cm long.
Bracts 1–3 cm long at base of inflorescence, reflexed.
Flowers greenish-yellow, tinged with brown and purple.
Petals slightly shorter than sepals, puberulous.
Ovary 7–8 mm long, curved, papillose.
