Plants epiphytic, up to 0.015 m high. Leaves lorate to elliptic, unequally bilobed, conduplicate at base, apically flat, 15-45 x 6-10 mm, often poorly developed. Inflorescence of several pendent racemes, 20-50 mm long, 4-10-flowered; pedicels 10-14 mm long. Flowers white, sweet scented, 15 mm in diam. Sepals unequal, reflexed to spreading, narrowly elliptic-lanceolate, acute; median sepal 7-8 x 2.5-3.0 mm; lateral sepals 8-9 x 2-3 mm. Petals reflexed, linear-lanceolate, oblique, acute, 6-8 x 1-2 mm. Lip 3-lobed, midlobe sharply reflexed, narrowly triangular, acute, 6 x 1.5-2.0 mm; side lobes porate, 1.5 mm tall; spur tapering to acute apex, 20-40 mm long. Flowering time Apr.-July.
Almost stemless epiphyte, with numerous thick greyish roots with conspicuous white streaks. Leaves 20-60 mm long. Flowers 15-20 mm in diameter. Flowers white.
Dorsal sepal 5–8 × 2–2.5 mm, lanceolate, obtuse, erect; lateral sepals 4–6 × 1.5–2 mm, ± spathulate, spreading.
Lip 4–6 × 1.5–2 mm, lanceolate, acute, entire; spur 3–4.5 cm long, slender, tapering from a wide mouth.
Leaves 2–4, 1.5–6.5 × 0.6–1 cm, elliptic to oblanceolate, unequally 2-lobed at the apex, rather fleshy.
Roots numerous, relatively stout, 3–4 mm in diameter, grey-green with white streaks.
Inflorescences 1.5–8 cm long, fairly densely several-flowered.
Petals 4–5 × 1–1.5 mm, triangular, subacute.
Pedicel and ovary 9–11 mm long, slender.
Short-stemmed epiphytic herb.
Column c. 1 mm long.
Bracts very short.
Flowers white.