Caladenia filamentosa (Caladenia filamentosa)
Description
Caladenia filamentosa is a terrestrial, perennial, deciduous, herb with an underground tuber and which sometimes grows in dense clumps. It has a single, densely hairy, narrow linear leaf, 10–18 cm (4–7 in) long and 4–7 mm (0.2–0.3 in) wide. One or two, rarely up to four, usually dark red flowers are borne on a spike 300–450 mm (10–20 in) high. Sometimes the flowers are pale red or reddish-green. The dorsal sepal is erect, 50–70 mm (2–3 in) long, about 2 mm (0.08 in) wide with its edges turned in. The lateral sepals and petals have long, dark, thread-like, glandular tips which sometimes tangle with other plants. The lateral sepals are a similar size to the dorsal sepal whilst the petals are slightly shorter. The labellum is egg-shaped or oblong, 5.5–8 mm (0.2–0.3 in) long and 3.5–5 mm (0.1–0.2 in) wide with its end curving forwards. It is red with darker markings and there are many short, broad teeth along its edges. There are two rows of flattened calli along the centre line of the labellum but not extending to the tip. Flowering occurs from September to November.
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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