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Lip decurved, 3-lobed to base; mid-lobe 8 × 1 mm, linear, acute; side lobes of similar length but less than half as wide, curving back; spur 9–10 mm long, twisted in the middle, horizontal.
Petals 2-lobed almost to base; posterior lobe 4 × 3 mm, curved lanceolate, adnate to dorsal sepal; anterior lobe 7 × 1.5 mm, linear, acute, curving up.
Dorsal sepal erect,5 × 2 mm, ovate, convex; lateral sepals deflexed, c. 6 × 3 mm, obliquely ovate.
Stigmatic arms c. 2 mm long, decurved and forming an angle of c. 45° with anther canals.
Inflorescence 10–15 × 3 cm, densely 20–30-flowered; bracts c. 17 mm long.
Terrestrial herb 20–30 cm tall; tubers c. 2.5 cm long, ellipsoid.
Stem erect, with 1 basal leaf and20–30 bract-like stem leaves.
Anther c. 2 mm high, erect; canals c. 1 mm long.
Ovary and pedicel arched, c. 10 mm long.
Rostellum triangular, 0.8 mm high.
Flowers green.