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Black Tongue Caladenia

Caladenia congesta R. Br.

Pollinators

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A bee from the genus Hylaeus pollinates the orchid.

Caladenia congesta

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Caladenia congesta, commonly known as black-tongue caladenia, is a plant in the orchid family Orchidaceae and is endemic to Australia. It is a ground orchid with a single, sparsely hairy leaf, and up to three bright pink flowers with the central part of the labellum completely covered with black calli. It is a widespread species but not common in any part of its range.

Description

Caladenia congesta is a terrestrial, perennial, deciduous, herb with an underground tuber and a single, sparsely hairy, linear leaf, 8–18 cm (3–7 in) long and 2–6 mm (0.08–0.2 in) wide. Up to three bright pink flowers are borne on a spike 15–60 cm (6–20 in) high. The sepals and petals are lance-shaped, spreading, 16–20 mm (0.6–0.8 in) with dark red glandular hairs on their backs, the petals narrower than the sepals. The dorsal sepal curves and forms a hood over the column. The labellum is 8–10 mm (0.3–0.4 in) long and 5–7 mm (0.2–0.3 in) wide when flattened and has three lobes. The mid-lobe is oblong to lance-shaped and completely covered by two closely spaced rows of shiny, dark crimson to black calli. The lateral lobes of the labellum are sickle-shaped, pink and erect or slightly spreading. Flowering occurs from October to January.[2][3]

Taxonomy and naming

Caladenia congesta was first formally described by Robert Brown in 1810 and the description was published in Prodromus Florae Novae Hollandiae.[1][4] The specific epithet (congesta) is a Latin word meaning "dense", "heaped up" or "thick".[5]

Distribution and habitat

Black-tongue caladenia grows in a wide range of habitats from forest to heath in sandy or clay loam south from Wellington New South Wales. It is widespread although not common, in Victoria, in northern Tasmania and in the far south-east corner of South Australia.[2][3][6][7]

Conservation

Caladenia congesta is listed as "Endangered" under the Tasmanian Threatened Species Protection Act 1995.[6]

References

  1. ^ a b "Caladenia congesta". APNI. Retrieved 31 December 2016.
  2. ^ a b Jeanes, Jeff. "Caladenia congesta". Royal Botanic Gardens, Victoria: VicFlora. Retrieved 31 December 2016.
  3. ^ a b Bernhardt, Peter. "Caladenia congesta". Royal Botanic Gardens, Sydney: plantnet. Retrieved 31 December 2016.
  4. ^ Brown, Robert (1810). Prodromus Florae Novae Hollandiae. London. p. 324. Retrieved 2 February 2017.
  5. ^ Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press. p. 790.
  6. ^ a b "Caladenia congesta" (PDF). Tasmanian Government Department of Primary Industries, Parks, Water and Environment. Retrieved 31 December 2016.
  7. ^ David L., Jones (1998). "Contributions to Tasmanian Orchidology (1)". Australian Orchid Research. 3: 27.
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Caladenia congesta: Brief Summary

provided by wikipedia EN

Caladenia congesta, commonly known as black-tongue caladenia, is a plant in the orchid family Orchidaceae and is endemic to Australia. It is a ground orchid with a single, sparsely hairy leaf, and up to three bright pink flowers with the central part of the labellum completely covered with black calli. It is a widespread species but not common in any part of its range.

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cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
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wikipedia EN