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Leaves 2 or 3, 80–120 × 3–4 mm, folded. Flower stem 250–350 mm, 3–8-flowered. Flowers porrect, 15–20 mm across, pale yellow with few dark markings. Dorsal sepal porrect, c. 5 × 3 mm, with two dark basal blotches. Lateral sepals obliquely decurved beneath labellum, very thin, 8–9 × c. 2.5 mm, parallel, widest near apex. Petals obliquely erect, divergent; stalk 7–8 mm long, very thin; blade ovate, 15–18 × 9–11 mm, pale yellow. Labellum 6–8 mm long; lateral lobes 2–3 × 1.5–2.5 mm, pointed; midlobe broadly ovate to rhomboid with long narrow basal neck, 4–5 × 3–4 mm, pale yellow with few small dark spots and broad central ridge, margins recurved. Callus ridges 2, 3–4 mm long, parallel.
Leaves 2 or 3, 120–300 × 3–6 mm, folded. Flower stem 200–450 mm, 3–9-flowered. Flowers nodding, 20–25 mm across, lemon yellow with a few dark brown markings. Dorsal sepal projected forwards, ovate, 8–12 × 5–8 mm. Lateral sepals deflexed, 11–16 × 1–3 mm, parallel or crossed. Petals spreading horizontally, often reflexed; stalk 4–6 mm long, blackish; blade elliptical, 9–14 × 5–9 mm. Labellum 10–14 mm long; lateral lobes 2–4 × 1–1.5 mm, divergent; midlobe ovate, 8–12 × 6–8 mm, weakly folded. Callus ridges 2, 4–5 mm long.
An orchid. It grows 15-45 cm tall. The leaves are 12-20 cm long by 0.2-0.4 cm wide. There are between 1 and 3 leaves on a plant. The flower stem is 15-45 cm long and has 3-8 flowers. The flowers are 2 cm across and yellow to orange.
