Flowering stem slender, to 25 cm tall, solitary. Leaf-blade to 10 cm long, 2–3 mm diam. at base, apex erect, often partially senescent at flowering time. Flowers 10–30, small, fragrant, greenish brown to dark brown, in a loose spike 5–10 cm long; ovary obovoid, 4–5 mm long; sepals 4.5–6 mm long, dorsal sepal ovate-lanceolate, deflexed, lateral sepals linear-lanceolate, free, more or less parallel, recurved; petals narrowly oblong-lanceolate, 4–5.5 mm long. Labellum on a short stalk, ovate-lanceolate, 4–5 mm long, obliquely erect at base, recurved at less than 90 deg. near middle, lamina greenish to pinkish, margins entire or slightly irregular; callus plate smooth, fleshy, raised, dull greenish, extending almost to the labellum apex. Column appendages oblong, c. 1.5 mm long, obtuse. Flowers Oct.–Nov.
A poorly known species that is critically endangered due to massive habitat loss.
This species is part of a complex of similar looking taxa, and has been confused in particular with members of the Prasophyllum occidentale complex.
