Pseudobulbs mainly appressed to host, 30–120 × 4–6 mm, cylindrical, straight, dark reddish green. Leaves 1–2, 30–90 × 15–30 mm, moderately thick, leathery, dark green, broadest below middle and tapered to long point. Racemes 30–50 mm long, 2–7-flowered. Flowers 17–22 × 16–22 mm, opening pale greenish cream, ageing to cream. Sepals and petals narrow, widely spreading. Dorsal sepal 15–20 × 2.5–3 mm. Lateral sepals 14–18 × 2.5–3 mm. Petals 14–17 × 1–1.3 mm. Labellum 6–7 × 6.5–7 mm, cream with purplish markings; lateral lobes erect, pointed; midlobe decurved, pointed, with prominent convolute yellow ridge.
Pseudobulbs mainly projecting from host, 30–100 × 4–8 mm, cylindrical, straight, hard, dark greenish brown. Leaves 1–3, 30–50 × 15–25 mm, thick-textured, leathery, dark green, blunt. Racemes 30–50 mm long, 3–8-flowered. Flowers 30–45 × 20–30 mm, white. Sepals and petals narrow, thin-textured, widely spreading. Dorsal sepal 15–22 × 2.5–3.5 mm. Lateral sepals 15–20 × 2.5–3 mm. Petals 17–25 × 1–1.5 mm. Labellum 5–6 × 6–7 mm, white with purple markings, upper surface densely papillate; lateral lobes erect, pointed; midlobe decurved, blunt to truncate, with prominent convolute yellowish green ridge.
Pseudobulbs mainly projecting from host, 40–180 × 3–5 mm, narrowly cylindrical, straight, dark reddish brown. Leaves 1–2, 40–60 × 15–22 mm, thin textured, dark green, pointed. Racemes 40–80 mm long, 5–10-flowered. Flowers 32–45 × 25–38 mm, white. Sepals and petals narrow, widely spreading, thin-textured. Dorsal sepal 19–30 × 2.5–3.5 mm. Lateral sepals 20–25 × 2.5–3 mm. Petals 20–30 × 1–1.5 mm. Labellum 5–6 × 7–7.5 mm, white with some purple markings, upper surface papillate; lateral lobes erect, incurved close to column, purple; midlobe decurved, with prominent convolute yellow ridge.
Pseudobulbs mainly appressed to host, 50–200 × 4–8 mm, cylindrical, straight, dark reddish green, radiating in circle like spokes of a wheel. Leaves 1–3, 20–50 × 10–25 mm, moderately thick, leathery, dark green. Racemes 30–100 mm long, 5–11-flowered. Flowers 27–42 × 25–40 mm, crystalline white. Sepals and petals narrow, widely spreading. Dorsal sepal 20–33 × 2.5–3 mm. Lateral sepals 17–30 × 2.5–3 mm. Petals 17–33 × 1–2 mm. Labellum 6–7 × 6–7 mm, cream to white with purplish markings; lateral lobes erect, pointed; midlobe decurved, apex truncate, with prominent convolute yellow ridge.
Pseudobulbs mainly projecting from host, 30–120 × 5–8 mm, cylindrical, straight, dark reddish brown. Leaves 1–3, 30–60 × 15–30 mm, moderately thick, leathery, dark green, often with red margins and often purplish beneath. Racemes 30–65 mm long, 3–10-flowered. Flowers 22–32 × 20–30 mm, white. Sepals and petals narrow, widely spreading. Dorsal sepal 16–22 × 2.5–3 mm. Lateral sepals 15–20 × 2.5–3 mm. Petals 15–22 × 1–1.5 mm. Labellum 6–7 × 5.5–6 mm, white with purplish markings; lateral lobes erect, pointed; midlobe decurved, pointed, with prominent convolute yellow ridge.