Leaf 40–66 × 0.5–1 cm, narrowly linear, tapering gradually to a petiolate base, whitish-green mottled with dark green.
Pseudobulbs 3.5–5 × 1.2–1.6 cm, narrowly conical, somewhat 4-angled, ribbed, 1-leafed.
Inflorescence up to 50 cm tall, simple or with 1–2 short branches, many-flowered.
Sepals and petals purplish-green, lip white with purple veins.
Sepals and petals 5–7 × 3 mm, oblong, obtuse.
Terrestrial herb up to c. 60 cm tall.
Column short, lacking a foot.
Roots 2–3 mm in diameter.