Erect, decumbent or scandent terrestrial herbs, 98-322 mm tall; tubers 1-3, spreading, elongate-oblong, tomentose. Stem slender, 88-317 x 1.5-3.5 mm. Leaves 5-9, margins entire, smooth; basal leaves 2-5, dense, sheathing, lanceolate to broadly-elliptical, acute, 27-113 x 12-44 mm, middle leaves 2-4, lax, cauline, narrowly-lanceolate to lanceolate, acuminate, 13-39 x 2-9 mm. Inflorescence cylindrical, 62-155 x 48-116 mm, lax, 2-11-flowered; bracts similar to upper leaves, sheathing, lanceolate, acuminate to apiculate, 11.5-28.0 x 2.0-5.5 mm. Flowers spreading, pale green and white, pedicel and ovary sub-erect to erect, 27.0-44.5 mm long. Dorsal sepal pale green, erect, narrowly-elliptical, galeate, acute, 10.0-15.5 x 3.0-5.5 mm; lateral sepals pale green to white, patent, ovate, acuminate to apiculate, base oblique, 9.5-14.5 x 6-8 mm, adnate to lip and stigmatic processes for 4.0-6.5 mm. Petals pale green to white, upper lobe erect, linear, acute to acuminate, 9.0-15.0 x 0.5-1.5 mm, adnate to dorsal sepal, lower lobe spreading horizontally, weakly deflexed, weakly to strongly falcate, linear, tip sometimes curved, acuminate to apiculate, 36-50 x 0.5-1.0 mm, adnate to claw of lip for 2.5-5.5 mm. Lip pale green to white, claw 5.5-15.0 mm, median lobe descending, curved forward, linear, weakly to strongly falcate, acute to acuminate, 21.5-38.0 x 0.5-1.5 mm, lateral lobes descending, strongly divergent, linear, weakly to strongly falcate, tips curved, acuminate, 36.0-57.5 x 0.5-1.0 mm; spur toothed, 53-70 mm long, clavate apex 15.5-24.0 mm long. Anther erect, acute, 3-5 mm long, canals slender, 7.0-11.5 mm long. Stigmatic processes clavate, projecting forwards and deflexed, sub-parallel, 8.5-14.0 mm long, base adnate to lip. Rostellum 3-lobed, base auriculate, median lobe narrowly-triangular rostrate, acuminate, margin smooth, 5-9 mm long, lateral lobes linear, fused to anther canals, sub-erect to 45°, sub-parallel, 4-6 mm long.
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Slender, terrestrial herb, up to 320 mm tall. Spur 60-70 mm long, swollen towards apex. Lip with side lobes filiform, ± 20 mm long, midlobe very narrowly linear, almost filiform. Flowers green and white.
Sepals 11–13 × 6–8 mm; dorsal sepal erect, ovate, acute; lateral sepals adnate to lip for 4–5 mm, obliquely ovate, with an apiculus c. 3 mm long.
Petals 2-lobed, lobes filiform; upper lobe 10.5–12.5 mm long, adnate to dorsal sepal; lower lobe up to 47 mm long, adnate to lip for 2.5–4 mm.
Leaves in basal rosette, 5–6 cm long, lanceolate to ovate, acute, with petiole-like base up to 2.5 cm long.
Lip 3-lobed with all lobes filiform; claw 4.5–6 mm long; mid-lobe 24–31 mm long, side lobes 45–55 mm long.
Inflorescence 10–12 cm long, laxly 3–5-flowered; ovary and pedicel 3.5–4 cm long; bracts c. 1.5 cm long.
A slender plant 20–35 cm tall; tubers fleshy, cylindrical, villous.
Spur 5–7 cm long, slender, slightly swollen towards apex.
Stigmatic arms 8–9.5 mm long, free part 6–6.5 mm long.
Stem with about 3 sheathing leaves 20–25 mm long.
Anther 5–5.5 mm long, canals 6–8 mm long.
Flowers green and white, mostly white.
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