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Caladenia pulchra Hopper & A. P. Br.

Caladenia pulchra ( anglais )

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Caladenia pulchra, commonly known as the slender spider orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single erect, hairy leaf and up to three red, yellow and white flowers, although the relative amount of each of these colours is variable.

labellum detail

Description

Caladenia pulchra is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, 60–150 mm (2–6 in) long and about 4 mm (0.2 in) wide. Up to three flowers 80–150 mm (3–6 in) long, 40–100 mm (2–4 in) wide are borne on a stalk 200–400 mm (8–20 in) tall. The flowers have varying amounts of red, white and yellow and are sometimes all red. The sepals have long, brown, thread-like tips. The dorsal sepal is erect, 60–100 mm (2–4 in) long and 1–3 mm (0.04–0.1 in) wide. The lateral sepals and petals have about the same dimensions as the dorsal sepal but they are held horizontally near their bases, then turn downwards and droop. The labellum is 8–11 mm (0.3–0.4 in) long, 5–8 mm (0.2–0.3 in) wide and cream-coloured with red lines and marks. The sides of the labellum have short, blunt teeth, the tip is curled under and there are two rows of anvil-shaped calli along the mid-line of the labellum. Flowering occurs from August to early October but generally only occurs after good rainfall.[2][3][4]

Taxonomy and naming

Caladenia pulchra was first described in 2001 by Stephen Hopper and Andrew Phillip Brown from a specimen collected near Jerramungup and the description was published in Nuytsia.[1] The specific epithet (pulchra) is a Latin word meaning "beautiful"[5] referring to the delicate flowers of this orchid.[3]

Distribution and habitat

The slender spider orchid is found between Jerramungup and Pithara in the Avon Wheatbelt, Esperance Plains, Jarrah Forest and Mallee biogeographic regions where it grows under dense sheoak and similar trees near temporary streams.[2][3][4][6]

Conservation

Caladenia pulchra is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.[6]

References

  1. ^ a b "'Caladenia pulchra". APNI. Retrieved 7 March 2017.
  2. ^ a b Jones, David L. (2006). A complete guide to native orchids of Australia including the island territories. Frenchs Forest, N.S.W.: New Holland. p. 108. ISBN 1877069124.
  3. ^ a b c Brown, Andrew; Dundas, Pat; Dixon, Kingsley; Hopper, Stephen (2008). Orchids of Western Australia. Crawley, Western Australia: University of Western Australia Press. p. 70. ISBN 9780980296457.
  4. ^ a b Hoffman, Noel; Brown, Andrew (2011). Orchids of South-West Australia (3rd ed.). Gooseberry Hill: Noel Hoffman. p. 58. ISBN 9780646562322.
  5. ^ Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press. p. 28.
  6. ^ a b "Caladenia pulchra". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
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Caladenia pulchra: Brief Summary ( anglais )

fourni par wikipedia EN

Caladenia pulchra, commonly known as the slender spider orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single erect, hairy leaf and up to three red, yellow and white flowers, although the relative amount of each of these colours is variable.

labellum detail
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Caladenia pulchra ( portugais )

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Caladenia pulchra é uma espécie de orquídea, família Orchidaceae, endêmica do sudoeste e sul da Austrália,[1] onde cresce isolada em grupos pequenos, ou grandes colônias, em bosques, áreas reflorestadas, ou de vegetação arbustiva e afloramentos de granito, em áreas de solo bem drenado mas ocasionalmente nas areias ao redor de lagos salgados e planícies sazonalmente alagadiças, com flores de sépalas e pétalas externamente pubescentes, muito estreitas, caudadas, longas e filamentosas, bem esparramadas, que vagamente lembram uma teia de aranha. No labelo têm calos prostrados em forma de bigorna. São plantas com uma única folha basal pubescente e uma inflorescência rija, fina e pubescente, com uma ou poucas flores, mas que em conjunto formam grupo vistoso e florífero.[2]

Publicação e sinônimos

  • Caladenia pulchra Hopper & A.P.Br., Nuytsia 14: 296 (2001).

Sinônimos homotípicos:

  • Calonema pulchrum (Hopper & A.P.Br.) D.L.Jones & M.A.Clem., Orchadian 13: 456 (2002).
  • Calonemorchis pulchra (Hopper & A.P.Br.) D.L.Jones & M.A.Clem., Orchadian 14: 39 (2002).
  • Jonesiopsis pulchra (Hopper & A.P.Br.) D.L.Jones & M.A.Clem., Orchadian 14: 182 (2003).

Referências

  1. R. Govaerts et al. World Checklist of Orchidaceae. The Board of Trustees of the Royal Botanic Gardens, Kew. «Published on the Internet» (em inglês). Consultada em 7 de janeiro 2013.
  2. David L. Jones (2006). Jonesiopsis in Native Orchids of Australia:99-117. Reed Natural History Australia (Publ.) ISBN 9781877069123

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Caladenia pulchra: Brief Summary ( portugais )

fourni par wikipedia PT

Caladenia pulchra é uma espécie de orquídea, família Orchidaceae, endêmica do sudoeste e sul da Austrália, onde cresce isolada em grupos pequenos, ou grandes colônias, em bosques, áreas reflorestadas, ou de vegetação arbustiva e afloramentos de granito, em áreas de solo bem drenado mas ocasionalmente nas areias ao redor de lagos salgados e planícies sazonalmente alagadiças, com flores de sépalas e pétalas externamente pubescentes, muito estreitas, caudadas, longas e filamentosas, bem esparramadas, que vagamente lembram uma teia de aranha. No labelo têm calos prostrados em forma de bigorna. São plantas com uma única folha basal pubescente e uma inflorescência rija, fina e pubescente, com uma ou poucas flores, mas que em conjunto formam grupo vistoso e florífero.

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Caladenia pulchra ( vietnamien )

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Caladenia pulchra là một loài thực vật có hoa trong họ Lan. Loài này được Hopper & A.P.Br. mô tả khoa học đầu tiên năm 2001.[1]

Chú thích

  1. ^ The Plant List (2010). Caladenia pulchra. Truy cập ngày 7 tháng 6 năm 2013.

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Caladenia pulchra: Brief Summary ( vietnamien )

fourni par wikipedia VI

Caladenia pulchra là một loài thực vật có hoa trong họ Lan. Loài này được Hopper & A.P.Br. mô tả khoa học đầu tiên năm 2001.

licence
cc-by-sa-3.0
droit d’auteur
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wikipedia VI