| 词条 | Caladenia meridionalis |
| 释义 |
| name = South coast spider orchid | image = | image_caption = | status_system = | status = | genus = Caladenia | species = meridionalis | authority = Hopper & A.P.Br.[1] | synonyms_ref = [1] | synonyms =
}} Caladenia meridionalis, commonly known as the south coast spider orchid, is a species of orchid endemic to the south-west of Western Australia. It is an early-flowering orchid with a single erect, hairy leaf and one or two white flowers with long, drooping lateral sepals and petals. DescriptionCaladenia meridionalis is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, {{convert|100-130|mm|in|sigfig=1|abbr=on}} long and {{convert|4-12|mm|in|sigfig=1|abbr=on}} wide. One or two white to cream-coloured flowers {{convert|100-150|mm|in|sigfig=1|abbr=on}} long and {{convert|60-100|mm|in|sigfig=1|abbr=on}} wide are borne on a stalk {{convert|150-250|mm|in|sigfig=1|abbr=on}} tall. The sepals and petals have dark reddish-brown, drooping, thread-like tips. The dorsal sepal is erect, {{convert|55-80|mm|in|sigfig=1|abbr=on}} long, {{convert|2-3|mm|in|sigfig=1|abbr=on}} wide and the lateral sepals are a similar length but slightly wider. The lateral sepals spread widely near their bases then hang. The petals are {{convert|50-70|mm|in|sigfig=1|abbr=on}} long and {{convert|2-3|mm|in|sigfig=1|abbr=on}} wide and arranged like the lateral sepals. The labellum is {{convert|12-17|mm|in|sigfig=1|abbr=on}} long and {{convert|6-10|mm|in|sigfig=1|abbr=on}} wide, white with red stripes, spots and blotches and the tip is curled under. The sides of the labellum have short, irregular serrations and there are six to twelve creamy-yellow, anvil-shaped calli with pink markings, in two rows along the centre. Flowering occurs from July to August.[1][2][3]Taxonomy and namingCaladenia meridionalis was first described in 2001 by Stephen Hopper and Andrew Phillip Brown and the description was published in Nuytsia.[4] The specific epithet (meridionalis) is a Latin words meaning "southern"[5] referring to the distribution of this species on the south coast.[2]Distribution and habitatThe south coast spider orchid occurs between Windy Harbour and Albany in the Warren biogeographic region where it grows in shrubland in consolidated sand dunes.[1][2][3][6] ConservationCaladenia meridionalis is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.[6]References1. ^1 {{cite book|last1=Jones|first1=David L.|title=A complete guide to native orchids of Australia including the island territories|date=2006|publisher=New Holland|location=Frenchs Forest, N.S.W.|isbn=1877069124|page =106}} {{Taxonbar|from=Q9673757}}2. ^1 2 {{cite book|last1=Brown|first1=Andrew|last2=Dundas|first2=Pat|last3=Dixon|first3=Kingsley|last4=Hopper|first4=Stephen|title=Orchids of Western Australia|date=2008|publisher=University of Western Australia Press|location=Crawley, Western Australia|isbn=9780980296457|page=65}} 3. ^1 {{cite book|last1=Hoffman|first1=Noel|last2=Brown|first2=Andrew|title=Orchids of South-West Australia|date=2011|publisher=Noel Hoffman|location=Gooseberry Hill|isbn=9780646562322|page=49|edition=3rd}} 4. ^1 2 {{cite web|title=Caladenia meridionalis|url=https://id.biodiversity.org.au/instance/apni/574402|publisher=APNI|accessdate=21 February 2017}} 5. ^{{cite book|last1=Brown|first1=Roland Wilbur|title=The Composition of Scientific Words|date=1956|publisher=Smithsonian Institution Press|location=Washington, D.C.|page=520}} 6. ^1 {{FloraBase|name=Caladenia meridionalis|id=18024}} 7 : Caladenia|Orchids of Western Australia|Endemic orchids of Australia|Plants described in 2001|Endemic flora of Western Australia|Taxa named by Stephen Hopper|Taxa named by Andrew Phillip Brown |
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