Flowering stem slender, 15–30 cm tall. Leaf-blade 8–12 cm long, 3–5 mm diam. at base, apex suberect, senescent at flowering time. Flowers 12–25, greenish brown to reddish brown, maroon, pink or white, fragrant, in a loose spike 7–13 cm long; ovary obovoid, 4–5 mm long; sepals 7–9 mm long, dorsal sepal ovate-lanceolate, lateral sepals free, linear-lanceolate, straight or recurved distally, widely divergent; petals linear-lanceolate, 7–8.5 mm long. Labellum subsessile, porrect, 5.5–8 mm long, recurved at about right angles near middle, lamina usually pink or white, margins irregular; callus plate prominently raised, channelled, greenish, broad at base then tapered, extending almost to the labellum apex. Column appendages oblong, c. 2.3 mm long. Flowers Dec.–Jan.
