Stem leafy; leaves about 11, the lowest 3 sheathing, white with green reticulate veining, the next 4 erect, c. 10 × 1 cm, lanceolate, acute; the rest becoming bract-like.
Petals 2-lobed almost to base; upper lobe c. 5 × 0.6 mm, erect; lower lobes reflexed, c. 9.5 mm long, lanceolate, the apex upturned.
Dorsal sepal ± reflexed, 5 × 2 mm, elliptic, convex; lateral sepals deflexed, c. 8 × 5 mm, obliquely obovate with lateral apiculum.
Anther erect, slightly stalked, 1.8 mm long, the loculi parallel; canals porrect, c. 5 mm long; auricles c. 1 mm long, ± 3-lobed.
Stigmatic arms c. 3 mm long, somewhat papillose, porrect, the apices truncate, lying parallel to each other.
Inflorescence c. 15 × 4 cm, fairly laxly 16–30-flowered; bracts shorter than pedicel and ovary.
Terrestrial herb c. 45 cm tall; tubers ovoid or ellipsoid.
Rostellum mid-lobe 1.5 mm high, triangular.
Pedicel and ovary curved, c. 20 mm long.
Flowers green.