Prawn greenhood (Pterostylis pedoglossa)
Description
Pterostylis pedoglossa is a terrestrial, perennial, deciduous, herb with an underground tuber and a rosette of egg-shaped, greyish-green leaves, each leaf 5-25 mm long and 4-20 mm wide. Flowering plants have a single flower 15-20 mm long and 5-6 mm wide borne on a spike 60-150 mm high. The flowers are white with green stripes, sometimes brown near the tip. The dorsal sepal and petals are fused, forming a hood or "galea" over the column, the galea flat or slightly turned downwards on the tip. The dorsal sepal has a thread-like tip 10-25 mm long. The lateral sepals are held closely against the galea, have an erect, thread-like tip 15-30 mm long and a V-shaped sinus between their bases. The labellum is about 4 mm long, 2 mm wide, greenish, thick, straight and not visible from outside the flower. Flowering occurs from March to June.
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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