Caladenia nobilis (Caladenia nobilis)
Description
Caladenia nobilis is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, 100–180 mm (4–7 in) long and 4–8 mm (0.2–0.3 in) wide. One or two white flowers 120–250 mm (5–10 in) long and 100–130 mm (4–5 in) wide are borne on a stalk 200–400 mm (8–20 in) tall. The sepals and petals have long, dark brown, thread-like tips. The dorsal sepal is erect, 60–150 mm (2–6 in) long, 2.5–4 mm (0.1–0.2 in) wide. The lateral sepals are 60–150 mm (2–6 in) long, 3–6 mm (0.1–0.2 in) wide and turn downwards with drooping tips. The petals are 50–140 mm (2–6 in) long and 2.5–4 mm (0.1–0.2 in) wide and arranged like the lateral sepals. The labellum is 12–25 mm (0.5–1 in) long, 12–16 mm (0.5–0.6 in) wide and cream-coloured with radiating red lines, spots and blotches. The sides of the labellum have short, blunt teeth, and the tip is curled under. There are two rows of white, anvil-shaped calli, sometimes with red tips, along the centre of the labellum. Flowering occurs from July to mid-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: Caladenia
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