A terrestrial herb with leafy stems up to 5 m tall covered by sheathing leaf bases. Leaves somewhat membranaceous, distichous, lanceolate to elliptic-lanceolate, acuminate, 15–30 cm long, 1.5–5 cm wide, sparsely pubescent dorsally especially along the veins, with a cylindrical sheathing base, 2–4 cm long. Inflorescence terminal, many-flowered, densely pubescent; bracts lanceolate, acute to acuminate, 1–1.5 cm long, shortly pubescent. Flowers small to medium-sized, opening in succession, soon deciduous if not fertilised, pubescent on outer surface of sepals; sepals and petals greenish brown, lip yellow flushed with brown and stained with red-purple on incurved margin of lip orifice; pedicel and ovary 1.5–2.3 cm long. Dorsal sepal erect, elliptic, acute, c. 2 cm long, 1 cm wide. Synsepal elliptic, slightly bifid at apex, c. 2 cm long, 1 cm wide. Petals deflexed, obliquely linear-lanceolate, acute, up to 2 cm long, 0.2 cm wide, glabrous. Lip calceolate, with an incurved margin, 2–3 cm long, 1–1.8 cm wide. Column 0.5–0.7 cm long; stigma elliptic-trullate, twice as long as the stigma, papillate; staminode narrower than column apex, triangular. Fruit cylindrical, somewhat arcuate, pubescent.