Plants 120–35 tall. Free part of leaf to 80 x 5–6mm. Spike 35–14 long, 9–30-flowered. Ovary sessile, strongly humped. Flowers moderately crowded, opening widely, strongly scented, 7–9 x 4–5mm, light brown, labellum whitish or greenish, callus green. Dorsal sepal 5–6 x 2.5–2.8mm, decurved. Lateral sepals free, 6–7 x 2mm, nearly parallel. Petals 4.5–5.5 x 1.3mm, porrect or incurved. Labellum sessile, ovate-elliptic, 4.5–5.5 x 3mm, sharply recurved above middle, strongly papillate, margins entire, papillate. Callus thick, broad, fleshy, extending well past labellum bend, with small papillae.