Plants epiphytic, up to 0.025 m high. Leaves imbricate, ligulate, conduplicate at base, apically flat, unequally bilobed, 40-120 x 10-22 mm. Inflorescence of several pendent racemes, 70-180 mm long, 7-13-flowered; pedicels 10-20 mm long. Flowers white, 25-30 mm in diam. Sepals subequal, reflexed, linear-lanceolate, acute; median sepal 11-14 x 3.5-4.0 mm; lateral sepals suboblique, 13-17 x 3-4 mm. Petals reflexed, linear-lanceolate, acute, 9-13 x 3.0-3.5 mm. Lip 3-lobed, midlobe with apical margins upcurved, linear-lanceolate, acute, 10-15 x 3-4 mm; side lobes porate, reflexed, with dentate front margins; spur tapering to acute apex, 35-60 mm long. Flowering time Sept.-Jan.
Monopodial epiphyte with stems to 2.5 cm. Leaves oblong-oblanceolate, channelled, apically notched. Flowers several in a lax raceme, white, 25-30 mm diam., tepals lanceolate, lip with short side lobes and a filiform spur 35-60 mm long.
Epiphyte. Leaves 60-130 mm long. Inflorescences several, bearing 6-12 widely spaced flowers in 2 rows. Flowers ± 20 mm in diameter. Flowers white.