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Terrestrial, robust herb, with subterranean or partly aerial, moniliformous rhizomes, 0.25-0.55 m high. Leaves soft, thin-tissued with abscission layer, up to 450 mm long, partly to fully developed at anthesis. Inflorescence lax, elongate, 7-25-flowered. Flowers yellow to greenish yellow, sepals tinged purple with purple-brown veins. Sepals: median sepal 13-16 mm long, oblong, obtuse; lateral sepals similar. Petals spreading, slightly shorter than sepals. Lip 3-lobed, crests with thin lamellae on main veins, low on side lobes, tall on midlobe, finely pubescent basally; mentum prominent, 4-9 mm long, finely pubescent; spur flattened, subconical, 3-4 mm long. Gynostemium 6-8 mm long. Flowering time Dec.-Mar.
Lip yellow-green with maroon veins; spur tipped with maroon. Lip 12–15 × 7.5–11 mm, 3-lobed in the apical third; mid-lobe 5–5.5 × 3–5.5 mm, oblong, apiculate; side lobes c. 8 mm long, erect, partly joined to the column foot; base of lip conical, narrowing into the ± cylindrical spur; spur 3–4.5 mm long, straight or bent forwards, blunt, sometimes bilobed at the apex. Crests formed of thin lamellae on the main veins of the lip, taller on the mid-lobe than on the side lobes and finely pubescent towards the base of the lip.
A terrestrial orchid. It is a herb with a bulb or corm. It can grow 25-55 cm high. The false bulbs can form a chain above or below the ground. There can be 7 leaves. They form a fan. They are 12-30 cm long and 1-2 cm wide. The flowering stem is 30-50 cm tall. There are several loose flowers. They are green and yellow with some purple and red marks.
Rhizomatous geophyte to 55 cm, often with aerial pseudobulbs. Leaves partly to fully developed at flowering, linear-lanceolate. Flowers few to many in a lax raceme, sepals yellowish green, petals and lip pale yellowish green, lip crests pale yellow, median sepal 12-19 mm long, lip crests of lamellae, spur 3-4 mm long.
Terrestrial herb, up to 0.55 m high. Petals a little shorter but broader than sepals. Midlobe of lip subdeltoid. Crest lamellae on main side lobe nerves. Flowers yellowish green, crest blades on lip pale lemon-yellow.
Leaves up to 7, forming a fan, 12–30 × 0.3–2 cm, linear, with an abscission layer near the base, the basal sheath spotted with purple-red, present or just starting to appear at flowering time.
Sepals olive-green and purplish. Sepals 13–16 × 1.8–4.8 mm, oblong to oblanceolate, acute or obtuse, the laterals oblique.
Petals yellow, yellow-green. Petals 11.5–12.5 × 3.5–4.8 mm, oblong-lanceolate, acute or obtuse.
Flowering stem 30–50 cm tall, rather laxly several-flowered; scape with several tight sheaths.
Pseudobulbs subterranean or partly aerial, forming a chain.
Column 6–8.5 mm long with auricles at the base.
Bracts 5–6 mm long, lanceolate, acute.
Pedicel and ovary 16–17 mm long.
Terrestrial herb.
