Column stout, 2–4 mm high, dilated below anther; anther semi-globose, anther cap beaked; rostellum elongated, obtuse; pollinia ellipsoid; stipes dilated above, slender below; viscidium round or elliptic.
Lip 10–20 × 10–15 mm, suborbicular to flabellate, cuneate at the base, rounded at the apex, sometimes with a short apiculus; spur 2.5–4 cm long, somewhat incurved, slender but slightly inflated at apex.
Leaves 2–8, 3.5–12 × 1–2.5 cm, linear-oblanceolate to elliptic-oblanceolate, unequally to subequally 2-lobed at the apex.
Epiphytic herb; stem woody, to 3 cm long; roots numerous, up to 2–3 mm in diameter, flexuous, glabrous.
Dorsal sepal erect, 10–18 × 4–7 mm, oblong-elliptic, apiculate; lateral sepals 10–18 × 5–6 mm.
Inflorescences arising below leaves, horizontal or pendent, 10–30 cm long, 3–15-flowered.
Petals 9–15 × 5–8 mm, elliptic, narrowed towards the base.
Flowers white, the spur and ovary tinged with pink.
Peduncle to 10 cm long with 3–6 tubular sheaths.
Pedicel and ovary slender, 12–15 mm long.
Bracts 3–5 mm long, ovate, acute.