Английская Википедия:Caladenia horistes
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Caladenia horistes, commonly known as the cream spider orchid is a species of orchid endemic to the south-west of Western Australia. It has a single, hairy leaf and one or two, creamy-yellow flowers which have a red-striped labellum and long, dark, thread-like tips on the sepals and petals.
Description
Caladenia horistes is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, Шаблон:Convert long and Шаблон:Convert wide. One or two flowers Шаблон:Convert long and Шаблон:Convert wide are borne on a stalk Шаблон:Convert tall. The flowers are cream-coloured to creamy-yellow and the sepals and petals spread horizontally but have long, drooping, dark, thread-like tips. The dorsal sepal is erect, Шаблон:Convert long and Шаблон:Convert wide at the base and the lateral sepals are about the same size. The petals are Шаблон:Convert long and about Шаблон:Convert wide. The labellum is Шаблон:Convert long and Шаблон:Convert wide and a similar colour to the sepals and petals but with pale brown or red lines and blotches. The sides of the labellum have short teeth, the tip is turned downwards and there are two rows of cream to yellowish, anvil-shaped calli along its centre. Flowering occurs from August to early October.[1][2][3][4]
Taxonomy and naming
Caladenia horistes was first described in 2001 by Stephen Hopper and Andrew Phillip Brown from a specimen collected in the Wittenoom Hills north of Esperance and the description was published in Nuytsia.[5] The specific epithet (horistes) is an Ancient Greek word meaning "definer of boundaries"[6] referring to the distribution of this species being at the easterly limit distribution of orchids similar to this species.[2]
Distribution and habitat
The cream spider orchid occurs between the Fitzgerald River National Park and Balladonia in the Avon Wheatbelt, Coolgardie, Esperance Plains, Jarrah Forest and Mallee biogeographic regions where it grows in shrubland near creeks and around granite outcrops.[1][2][3][4][7]
Conservation
Caladenia horistes is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.[7]
References
- Английская Википедия
- 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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