Diuris protena (Diuris protena)
Description
Diuris protena is a tuberous, perennial herb with between four and eight linear leaves 70–120 mm (3–5 in) long and 1–3 mm (0.04–0.1 in) wide in a loose tussock. Up to three flowers 15–25 mm (0.6–1 in) wide are borne on a flowering stem 120–200 mm (5–8 in) tall. The flowers are pale yellow with a few light brown markings at the base of the dorsal sepal and labellum. The dorsal sepal is held more or less horizontally and is egg-shaped, 9–15 mm (0.4–0.6 in) long and 3–8 mm (0.1–0.3 in) wide. The lateral sepals are narrow linear to lance-shaped with the narrower end towards the base, 13–20 mm (0.5–0.8 in) long, 1.5–3 mm (0.06–0.1 in) wide, turned downwards and parallel to each other. The petals are directed forwards with a more or less egg-shaped blade 7–15 mm (0.3–0.6 in) long and 3.5–7 mm (0.1–0.3 in) wide on a greenish-brown stalk 3–5 mm (0.1–0.2 in) long. The labellum is 10–18 mm (0.4–0.7 in) long and has three lobes. The centre lobe is egg-shaped, 7–14 mm (0.3–0.6 in) long, 6–10 mm (0.2–0.4 in) wide and the side lobes are oblong to wedge-shaped, 2–3.5 mm (0.08–0.1 in) long and about 1.5 mm (0.06 in) wide. There are two broad, pimply calli in the mid-line of the base of the labellum. Flowering occurs in August and September.
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: Diuris
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