Pendent epiphytic herb; stem elongated, sometimes branched, up to c. 20 cm long.Roots 1–2 mm in diameter, borne along the stem opposite leaves.Leaves several, distichous, twisted at the base so as to lie in one plane, 3–6 × 0.5–0.9 cm, ligulate, falcate, unequally and acutely 2-lobed at the apex, the longer lobe to 7 mm long, the lobes often slightly divergent, the leaves olive-green often tinged reddish or orange.Inflorescences borne along the stem, opposite leaves, arising at same place in successive years, 1–2-flowered, the second bud usually aborting.Flowers orange-straw coloured.Peduncle 15–25 mm long; pedicel c. 7 mm long; ovary 5 mm long, forming a right angle with the pedicel.Bracts c. 4 mm long.Sepals 9–21 × 2.3–3.8 mm, lanceolate, acute; petals similar but slightly shorter.Lip 8–15 × 3.3–6 mm, boat-shaped, acuminate; spur 13–26 mm long, somewhat swollen in last 7 mm.Flowers often non-resupinate, with the spur lying parallel to the dorsal sepal.Column 1.3–2 mm long.
