Small nodding greenhood (Pterostylis hispidula)
Description
Pterostylis hispidula, is a terrestrial, perennial, deciduous, herb with an underground tuber. It has a rosette of between three and six egg-shaped to oblong leaves, each leaf 10–40 mm (0.4–2 in) long and 5–15 mm (0.2–0.6 in) wide. The leaves are green to yellowish, have a wavy or crinkled edge and a distinct petiole. A single translucent white flower with green stripes and a reddish tip is borne on a flowering spike 150–300 mm (6–10 in) high, the flower "nodding" or leaning forwards. The flowers are 14–18 mm (0.6–0.7 in) long, 8–10 mm (0.3–0.4 in) wide. There is a wide gap at each side of the flower between the petals and the lateral sepals. The lateral sepals have a tapering tip, 5–8 mm (0.2–0.3 in) long and there is a deeply notched sinus between them. The labellum protrudes from the flower and is 9–12 mm (0.4–0.5 in) long, about 2 mm (0.08 in) wide, curved, dark-coloured and covered with short, bristly hairs. Flowering occurs from March to July.
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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