A terrestrial herb 3–4 dm. high, glabrous except for the roots.. Tubers ellipsoid, nearly 2 cm. long, ± 1 cm. in diameter, ± densely tomentose.. Stem erect, rather slender, with a single leaf at the base and several sheaths scattered along its length.. Leaf adpressed to the ground, reniform, cordate at the base, rounded at the apex, 2–4 cm. long, 3–5.5 cm. broad, fleshy, entirely glabrous, shining green; sheaths 5–7, ± adpressed to the stem, lanceolate, acute, the upper ones similar to the bracts, up to 2.5 cm. long.. Inflorescence 2–10 cm. long, rather loosely 2–4-flowered.. Bracts broadly lanceolate, acute, 1–2 cm. long, shorter than the pedicel with ovary.. Flowers erect to suberect, white, very fragrant; pedicel with ovary almost straight, ± 2.5 cm. long.. Dorsal sepal erect, very convex, ovate-elliptical, subacute, 7–9 mm. long, ± 4 mm. broad; laterals deflexed or spreading, obliquely lanceolate, 1 cm. long, a little narrower than the dorsal.. Petals entire, erect, curved-lanceolate, subacute or obtuse, 7–9 mm. long, 3–4 mm. broad.. Lip deflexed, tripartite nearly to the base; middle lobe oblanceolate or elliptical-ligulate, subacute, 11–12 mm. long, ± 3 mm. broad; side lobes only slightly diverging, obliquely oblanceolate or narrowly elliptical, subacute, 12—13 mm. long, just over 4 mm. broad.. Spur dependent, slightly curved, swollen in the apical half, 2–2.5 cm. long.. Anther erect, ± 4 mm. high, canals very short.. Stigmas porrect, rather stout and only slightly widened at the apex, 3–4 mm. long.. Rostellum triangular-linear, acute, ±1.5 mm. long.
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Dorsal sepal erect, 9–14 × 2.5–6 mm, ovate, convex; lateral sepals rolled up lengthways, reflexed, 10–15 × 3 mm (7 mm when flattened).Petals 9–12 × 3–4 mm, entire, falcate, adnate to dorsal sepal.
Lip 3-lobed to 1–2 mm from base; mid-lobe 11–13 × 2–5 mm, oblanceolate, acute; side lobes 12–19 × 4–9 mm, obliquely oblanceolate; spur 2.5–3.5(6.5) cm long, somewhat inflated at apex.
Stem erect with a single leaf at the base and 4–5 rather loose sheaths scattered along its length; sheaths 2.5–3.5 cm long.
Basal leaf appressed to ground, 3–6 × 3.5–6.5 cm, ± orbicular, cordate at base, fleshy.
Inflorescence 4–13 cm long, laxly 2–6-flowered; bracts 15–25 mm long.
Terrestrial herb 30–40 cm tall; tubers c. 2 cm long, ovoid, villous.
Flowers sweetly scented; sepals green, petals and lip white.
Stigmatic arms 4–5 mm long, porrect, rather stout, truncate.
Pedicel 15–20 mm long, ovary slender, 15–20 mm long.
Stem with 4–5 rather loose sheaths, 2.5–3.5 cm long.
Anther erect, c. 4 mm high; canals very short.
Mid-lobe of rostellum c. 1.5 mm long.
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