Английская Википедия:Corybas cheesemanii
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Corybas cheesemanii, commonly known as Cheesemans spider orchid[1] or spurred helmet orchid,[2] is a species of terrestrial orchid endemic to New Zealand. It is a small orchid with a single pale green, heart-shaped leaf and usually only a single flower variously coloured from maroon to completely white. It usually grows in deep shade, often in deep leaf litter and flowers in autumn and winter.
Description
Corybas cheesemanii is a terrestrial, perennial, deciduous, herb with a single heart-shaped to almost round leaf Шаблон:Convert long but which is sometimes only a small green scale. The leaf is green on the upper surface and silvery green on the lower side. There is usually only a single flower varying in colour from dark pink through greyish white with purple specks or all white, and reaching to a height of Шаблон:Convert. The largest part of the flower is the dorsal sepal which is hood-like, completely covering the rest of the flower. The lateral sepals are tiny and the petals are usually not detectable. The labellum is cream-coloured or white, tube-shaped near the base with a narrow spur pointing downwards on either side at its base. Flowering occurs from May to September and is followed by a fruiting capsule which is up to Шаблон:Convert on an elongated stem up to Шаблон:Convert tall.[1][2]
Taxonomy
This orchid was first formally described in 1871 by Thomas Kirk after an unpublished description by Joseph Dalton Hooker. Kirk gave it the name Corysanthes cheesemanii from specimens collected by Thomas Frederick Cheeseman and published the description in Transactions and Proceedings of the New Zealand Institute.[3][4] In 1891, Otto Kuntze changed the name to Corybas cheesemanii.[5] The specific epithet (cheesemanii) honours the collector of the type specimens.[4]
Distribution and habitat
Cheesemans spider orchid grows in deep shade, often buried in deep rotting leaf litter in tall scrub or forest. It occurs on the North, South, Three Kings and Chatham Islands.[1][2]
Conservation
Corybas cheesemanii is classified as "not threatened" by the New Zealand Government Department of Conservation.[1]
References
- Английская Википедия
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- Corybas (plant)
- Endemic orchids of New Zealand
- Plants described in 1871
- Taxa named by Thomas Kirk
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- Страницы с телепортом
- Википедия
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- Статья из Английской Википедии
