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Plants with tough, fibrous, irregularly swollen rhizomes. Leaf solitary, held erect on slender stem 50–150 mm long, blade 200–500 × 10–15 mm, dark green, pleated, ribbed. Flower stem 250–500 mm tall, 10–25-flowered. Flowers widely opening, 25–30 × 25–30 mm, sepals and petals pale green or brownish, labellum pale with pink to purple markings. Dorsal sepal 12–16 × 3 mm, obliquely erect. Lateral sepals 12–16 × 3 mm, widely divergent. Petals 9–13 × 6 mm, blunt, obliquely erect, overlapped at base by sepals. Labellum 3-lobed, porrect to shallowly decurved, 14–17 × 6–8 mm, pale green with pink to purple veins, ridges and bumps; lateral lobes erect, entire; midlobe broad, decurved, margins irregularly wavy or ruffled; basal pouch short, shallow.
Plants with tough, fibrous, irregularly swollen rhizomes. Leaf solitary, held erect on slender stem 50–150 mm long, blade 200–400 × 15–25 mm, dark green, pleated, ribbed. Flower stem 250–400 mm tall, 10–20-flowered. Flowers widely opening, 20–25 × 20–25 mm, pale green or cream with lilac or purple tips. Dorsal sepal 12–16 × 2 mm, obliquely erect. Lateral sepals 12–16 × 2 mm, widely divergent. Petals 9–13 × 4 mm, blunt, spreading to obliquely erect, overlapped at base by sepals. Labellum 3-lobed, porrect to shallowly decurved, 14–17 × 5–6 mm, pale green and cream with a few pink to purple veins appearing as shallow ridges; lateral lobes erect, entire; midlobe relatively narrow, decurved, margins finely crinkled; basal pouch short, shallow.
Leaf solitary, on slender stalk 150–250 mm long, 200–400 × 20–25 mm, dark green, pleated. Flower stem 400–800 mm tall, 6–20-flowered. Flowers 15–20 × 18–25 mm, pale green or yellowish with purple stripes and markings. Dorsal sepal narrowly tapered, 12–15 × 4–4.5 mm, obliquely erect. Lateral sepals 11–15 × 4.5–5 mm, horizontal, widely divergent, tips often twisted. Petals 9–12 × 6 mm, incurved or spreading. Labellum 3-lobed, 11–15 × 10–11 mm, greenish with prominent deep red or purple veins; lateral lobes erect; midlobe decurved, wavy, shallowly notched.
