Lip 16–20 mm long, 3-lobed near the base; side lobes 9 × 2 mm, oblanceolate, subacute, parallel to hypochile; hypochile channelled, 7–10 mm long, 3 mm wide; epichile 9–10 × 4.5 mm, ovate, acute, with a fleshy area at the tip, bent upwards almost at a right angle.
Inflorescence an elongated few-to many-flowered raceme; rhachis, bracts, ovary and pedicel with a rusty pubescence; pedicel 1.8–3 cm long; ovary 1.3–2 cm long; bracts 4–5.5 cm long, leaf-like.
Capsules purplish, 40 × 13 mm, narrowly oblong, 6-ribbed, pendulous, with the remains of the flowers at the apex.
Dorsal sepal 20–27 × 4.5–7 mm, lanceolate, acuminate; lateral sepals 20–27 × 7–9 mm, obliquely ovate, acuminate.
Leaves dark green, 16–21 × 3.5–10 cm, lanceolate to ovate, plicate, acuminate, clasping the stem at the base.
Flowers pendent, yellow-green with purple veining on the sepals; lip maroon-brown to brick red.
Terrestrial herb 1–2.5 m tall; stem purplish, leafy throughout its length.
Petals 16–24 × 2.5–6 mm, lanceolate, acuminate.
Column 5–9 mm long.