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Plants epiphytic; stems stout, to 10 mm in diameter; leaves lorate, very unequally bilobed, obliquely acute, 150-300 x 20 mm. Inflorescences of several pendulous racemes, numerous-flowered, 100-300 mm long; bracts papery, small. Flowers either opposite or in whorls of 4, greenish or yellowish. Sepals subequal, spreading forwards, linear-lanceolate, acute, 8-12 x 2-3 mm. Petals arched over the gynostemium, linear-lorate, acute, 6-10 x 2 mm. Lip triangular to obscurely pandurate, fimbriate along apical margin with a 3 mm long apiculus, 8-13 x 3-6 mm; spur erect, 7-10 mm long, inflated above the base, laterally compressed, acute. Gynostemium winged, 3 mm tall; viscidium solitary; rostellum beak-like.
Lip 7.5–13 × 5–8 mm, rectangular, the side margins erose, ± 3-lobed at the apex, the mid-lobe forming an acumen c. 2 mm long, and with a tooth in the mouth of the spur; spur 6–12.5 mm long, geniculate at the base, swollen in the middle.
Flowers greenish, greenish-yellow, creamy-yellow or almost white, with a musky scent, borne in whorls of 2–4 at the inflorescence nodes.
Dorsal sepal 7–13.5 × 2–3.5 mm, narrowly triangular, acute, arched; lateral sepals 9.5–14 × 2–3.5 mm, linear, falcate, acute.
Leaves several, pendent, 10–44 × 1–3.5 cm, falcate, linear-oblanceolate, twisted at the base, fleshy.
Robust epiphytic herb; stem elongated, pendent, up to 50 cm long, covered in old woody leaf bases.
Column 2–3.5 mm long; rostellum bifid; stipites 2; viscidium 1.
Inflorescences pendent, 20–60 cm long, densely many-flowered.
Petals 8–12 × 2–3 mm, linear to oblanceolate, acuminate.
Pedicel and ovary 1–2.2 mm long.
Bracts sheathing, 3–5 mm long.
