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Plants with rnoniliformous rhizomes; leaves stiff, almost fully developed at anthesis, c. 100 x 10 mm; flowering stem up to 600 mm tall. Inflorescences lax, 5-10-flowered. Flowers: sepals dark pink or maroon, petals pale green tinged pink, lip yellow tinged with purple near the apex and on the veins of the side lobes. Sepals oblong-obtuse, spreading; median sepal 14-16 mm long; lateral sepals similar. Petals broader, 12-16 mm long, set close to the gynostemium. Lip very indistinctly 3-lobed, crests consisting of 2 broad, tooth-like calli in the basal half of the lip, on either side of a low central lamella; mentum 4 mm long; spur indistinct, a rounded sac. Gynostemium 7-10 mm long.
Terrestrial, semi-robust herb, with subterranean, moniliformous rhizomes, up to 0.6 m high. Leaves stiff, plicate, 100 x 10 mm, mature at anthesis. Inflorescence lax, 5-10-flowered. Flowers with sepals dark pink or maroon, petals pale green tinged pink, lip yellow tinged purple near apex and on veins of the side lobes. Sepals oblong-obtuse, spreading; median sepal 14-16 mm long; lateral sepals similar. Petals broader, 12-16 mm long, close to gynostemium. Lip indistinctly 3-lobed, crests with 2 broad tooth-like calli in basal 1/2 of lip, on either side of a low central lamella; mentum 4 mm long; spur indistinct, a rounded sac. Gynostemium 7-10 mm long. Flowering time Aug.-Dec.
Lip 12–19 × 10–20 mm, with a callus of 2 fleshy ridges in the mouth of the spur, rather obscurely 3-lobed; side lobes erect, rounded; mid-lobe c. 5 × 8.5 mm, oblong-elliptic, obtuse, concave; spur saccate or conical, 4–8 mm long.
Leaves 4–5 in a fan, 14–35 cm × 4–8 mm, linear, ribbed, acute, sometimes only partly developed at flowering time.
Flowers subnutant; sepals dark purple or purple-brown; petals and lip pale to deep pink or pink-purple.
Perennating organ subterranean, a fleshy, elongate rhizome; roots 2 mm in diameter.
Inflorescence laxly 3–13-flowered; scape with 3 short, acute sheaths.
Petals 12–18.5 × 7–12.5 mm, elliptic, rounded, lying over column.
Sepals erect, (10)14–21 × 2–7.5 mm, spathulate, concave, rounded.
Bracts 4–14 mm long, lanceolate, acute or acuminate.
Column 8–10 mm long, foot 1 mm long.
Pedicel and ovary c. 20 mm long.
Terrestrial herb 30–65 cm tall.
Capsule pendent, 18 mm long.
