New Taxa Austral. Orch. (Austral. Orchid Res.) 5: 148 (2006) APNI
Threat status:Victoria: endangered (e); listed in Flora and Fauna Guarantee Act 1988
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.
HSF. Endemic to Victoria where known only from the Yan Yean water catchment north of Melbourne. The habitat is an open grassy flat, which was probably originally Eucalyptus camaldulensis woodland.
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.
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