Английская Википедия:Caladenia postea
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Caladenia postea, commonly known as the dark-tipped 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 small, pale creamy-white flowers. It has a relatively late flowering period compared to similar spider orchids.
Description
Caladenia postea is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, Шаблон:Convert long and Шаблон:Convert wide. Up to three pale creamy white flowers with red markings and Шаблон:Convert long, Шаблон:Convert wide are borne on a stalk Шаблон:Convert tall. The sepals and petals have long, thin, brown, thread-like ends. The dorsal sepal is erect, Шаблон:Convert long and about Шаблон:Convert wide. The lateral sepals are about the same size as the dorsal sepal, held horizontally near their bases then turn downwards and droop. The petals are Шаблон:Convert long, Шаблон:Convert wide and arranged like the lateral sepals. The labellum is Шаблон:Convert long, Шаблон:Convert wide and creamy-white with pale red lines and spots. The sides of the labellum have short, blunt teeth and the tip is curled under. There are two rows of anvil-shaped, cream-coloured calli along the mid-line of the labellum. Flowering occurs from October to November.[1][2][3][4]
Taxonomy and naming
Caladenia postea was first described in 2001 by Stephen Hopper and Andrew Phillip Brown from a specimen collected in the Mundaring State Forest and the description was published in Nuytsia.[4][5] The specific epithet (postea) is a Latin word meaning "after", "behind" or "following"[6] referring to the late flowering period of this orchid.[2]
Distribution and habitat
The dark-tipped spider orchid is found in a few locations between York and the Brookton Highway in the Jarrah Forest biogeographic region where it grows in damp places.[1][2][3][7]
Conservation
Caladenia postea is classified as "Priority Two" by the Western Australian Government Department of Parks and Wildlife,[7] meaning that it is poorly known and known from only one or a few locations.[8]
References
- Английская Википедия
- Caladenia
- Endemic orchids of Australia
- Orchids of Western 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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