Genoplesium filiforme

Genoplesium filiforme is a terrestrial, perennial, deciduous, herb with an underground tuber and a single thin leaf 150–300 mm (6–10 in) long with the free part 10–20 mm (0.4–0.8 in) long. Between five and thirty greenish to purple flowers are arranged along a flowering stem 10–45 mm (0.4–2 in) tall. The flowers are 6.5 mm (0.3 in) long, 5 mm (0.20 in) wide and as with others in the genus, are inverted so that the labellum is above the column rather than below it. The dorsal sepal is egg-shaped, 3.5–4.5 mm (0.1–0.2 in) long, about 2 mm (0.08 in) wide and pointed with short hairs on its edges. The lateral sepals are linear to lance-shaped, 4–6 mm (0.16–0.24 in) long, about 1 mm (0.04 in) wide and spread widely apart from each other. The petals are narrow egg-shaped, about 3 mm (0.1 in) long and 1 mm (0.04 in) wide and also have hairs on their edges. The labellum is egg-shaped with the narrower end towards its base, 3–4 mm (0.1–0.2 in) long, about 2 mm (0.08 in) wide with short hairs on its edges. There is an oblong callus in the centre of the labellum and extending three-quarters of the length of the labellum. Flowering occurs between February and May.

Genoplesium filiforme grows in forest, heath and moss gardens over sandstone in near-coastal areas. It is found between Nowra in New South Wales and Helidon in Queensland.

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