Metcalfe's greenhood (Pterostylis metcalfei)
Description
Pterostylis metcalfei has a rosette of 3 to 5 leaves, each leaf 7–30 mm (0.3–1 in) long, 7–20 mm (0.3–0.8 in) wide, dark green and flat. The flower stem is 10–30 cm (4–10 in)1 long and bears a single flower 23–28 mm (0.9–1 in) long and 9–11 mm (0.35–0.43 in) wide and shiny, greenish-white with darker green stripes. The dorsal sepal is erect at its base but then arches forward, forming a hood over the labellum and has a threadlike tip, 7–14 mm (0.3–0.6 in) long. The labellum is blunt, sharply kinked in the middle and is 13.5–17 mm (0.53–0.67 in) long and about 3 mm (0.1 in) wide. Flowering occurs from March to May.
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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