Pterostylis hildae (Pterostylis hildae)
Description
Pterostylis hildae is a terrestrial, perennial, deciduous, herb with an underground tuber and a rosette of between two and four elliptic leaves, each leaf 20–80 mm (0.8–3 in) long and 8–25 mm (0.3–1 in) wide. The leaves have a distinct petiole and sometimes a wavy edge. When flowering, there is a single green, white and brown flower 23–27 mm (0.9–1 in) long and 10–12 mm (0.4–0.5 in) wide which is borne on a flowering spike 80–200 mm (3–8 in) high. The dorsal sepal and petals are fused to form a hood or "galea" over the column and the petals and dorsal sepal have a short point on their tips which end at or near horizontal. There is a wide gap at each side of the flower between the petals and lateral sepals. The lateral sepals are erect with a tapering tip 10–12 mm (0.4–0.5 in) long no higher than the galea and there is a curved sinus with a deep notch between them. The labellum is 11–13 mm (0.4–0.5 in) long, about 4 mm (0.2 in) wide, curved and projects through the sinus. Flowering occurs from March to October.
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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