Английская Википедия:Caladenia longicauda subsp. eminens
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Caladenia longicauda subsp. eminens, commonly known as the stark white spider orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single hairy leaf and up to three large, bright white flowers with long, broad, spreading lateral sepals and petals, a relatively broad labellum with short, narrow teeth. It is a relatively common orchid found in a broad band, mainly between Tenterden and Jerramungup.
Description
Caladenia longicauda subsp. eminens is a terrestrial, perennial, deciduous, herb with an underground tuber and a single hairy leaf, Шаблон:Convert long and Шаблон:Convert wide. Up to three, bright white flowers Шаблон:Convert long and Шаблон:Convert wide are borne on a spike Шаблон:Convert tall. The dorsal sepal is erect, the lateral sepals are Шаблон:Convert long and Шаблон:Convert wide and the petals are Шаблон:Convert wide. The labellum is white, more than Шаблон:Convert wide and the column is a less than Шаблон:Convert long. There are four or more rows of pale red calli in the centre of the labellum. Flowering occurs from August to early October.[1][2][3][4][5]
Taxonomy and naming
Caladenia longicauda was first formally described by John Lindley in 1840 and the description was published in A Sketch of the Vegetation of the Swan River Colony.[6] In 2001 Stephen Hopper and Andrew Brown described eleven subspecies, including subspecies eminens and the descriptions were published in Nuytsia.[7] The subspecies name (eminens) is a Latin word meaning “prominent", or "illustrious"[8] referring to the attractiveness of the flowers of this subspecies.[2]
Distribution and habitat
The stark white spider orchid mainly occurs between Tenterden and Jerramungup but is also found as far east as Esperance and as far north as Moora, in the Avon Wheatbelt, Coolgardie, Esperance Plains, Jarrah Forest, Mallee and Swan Coastal Plain biogeographic regions where it grows in wandoo (Eucalyptus wandoo) and yate (Eucalyptus cornuta) woodland.[1][2][3][9]
Conservation
Caladenia longicauda subsp. eminens is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.[9]
References
- Английская Википедия
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- Caladenia
- Endemic orchids of Australia
- Orchids of Western Australia
- Plants described in 2001
- Taxa named by Stephen Hopper
- Taxa named by Andrew Phillip Brown
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- Страницы с телепортом
- Википедия
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- Статья из Английской Википедии
