Bearded greenhood (Pterostylis plumosa)
Description
Pterostylis plumosa is a perennial herb rising from round tubers to form small colonies and grows to a height of 12–20 centimetres (5–8 in). It has 5-20 fleshy lance-shaped, pale green leaves crowded around the base of the stem and extending upwards, 10–30 millimetres (0.4–1 in) long and 5–15 millimetres (0.2–0.6 in)wide. There is a single flower on each plant, about 30 millimetres (1 in) long, erect and translucent with fine dark green lines and reticulations. The labellum is long and thin (about 1.5 millimetres (0.06 in) wide), bearded with golden-yellow hairs and ending in a red-brown knob. The dorsal sepal (at the back of the flower) narrows at the end to a thin point, 4 millimetres (0.2 in) long. The flowers appear from August to November.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum:
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Class: Liliopsida
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Order: Asparagales
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Family: Orchidaceae
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Genus: Pterostylis
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