Английская Википедия:Caladenia zephyra
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Caladenia zephyra is a plant in the orchid family Orchidaceae and is endemic to South Australia. It is a ground orchid with a single, densely hairy leaf and a single cream-coloured to very pale yellow flower with blackish glandular hairs on the sepals and petals. It occurs on the Eyre Peninsula but may have a wider distribution.
Description
Caladenia zephyra is a terrestrial, perennial, deciduous herb with a single densely hairy, narrow oblong to lance-shaped leaf Шаблон:Convert long and Шаблон:Convert wide. The leaf is dull green with a purple blotched base. A single cream-coloured to very pale yellow flower is borne on a densely hairy, wiry flowering stem Шаблон:Convert tall. The dorsal sepal is erect, Шаблон:Convert long and Шаблон:Convert wide but suddenly tapers at about one-third of its length to a thread-like tail with blackish glandular hairs. The lateral sepals are Шаблон:Convert long and Шаблон:Convert wide but suddenly taper like the dorsal sepal to a glandular tip. The petals are Шаблон:Convert long and Шаблон:Convert wide and also taper to a thread-like, glandular tip. The labellum is egg-shaped to lance-shaped, Шаблон:Convert long and Шаблон:Convert wide and erect near its base before curving downwards. The side lobes of the labellum are erect, about Шаблон:Convert wide with between seven and twelve thread like teeth about Шаблон:Convert long on each side, each with a small egg-shaped tip. There are six rows of club-shaped, creamy yellow calli along the mid-line of the labellum. Flowering occurs in late August and September.[1]
Taxonomy and naming
This species was first formally described in 2006 by David Jones who gave it the name Arachnorchis zephyra. The type specimen was collected in the Carappee Hill Conservation Park and the description was published in Australian Orchid Research.[2] In 2008 Robert Bates changed the name to Caladenia zephyra and published the change in Journal of the Adelaide Botanic Garden.[3] The specific epithet (zephyra) is a Latin word meaning "west wind",[4] referring to the westerly distribution of the species compared to that of the related and similar C. arenaria.[1]
Distribution and habitat
Caladenia zephyra is only known from the Eyre Peninsula botanical region of South Australia where it grows in mixed Callitris - Allocasuarina woodland, but it may have a more extensive range.[1][5]
References
- Английская Википедия
- Caladenia
- Endemic orchids of Australia
- Orchids of South Australia
- Plants described in 2006
- Taxa named by David L. Jones (botanist)
- Taxa named by Robert John Bates
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