Английская Википедия:Calochilus imperiosus

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Calochilus imperiosus, commonly known as the imperial beard orchid,[1] is a species of orchid endemic to northern Australia. It has a single leaf and up to fifteen dull green flowers with red or purple markings and a labellum with a pinkish red "beard".

Description

Calochilus imperiosus is a terrestrial, perennial, deciduous, herb with an underground tuber and a single leaf which is half developed at flowering time, Шаблон:Convert long, Шаблон:Convert wide when fully developed. Between five and fifteen dull green flowers with red or purple markings, Шаблон:Convert long and Шаблон:Convert wide are borne on a flowering stem Шаблон:Convert tall. The dorsal sepal is Шаблон:Convert long and about Шаблон:Convert wide. The lateral sepals are a similar length but about Шаблон:Convert wide. The petals are Шаблон:Convert long and about Шаблон:Convert wide. The labellum curves downwards and is Шаблон:Convert long and about Шаблон:Convert wide. The base of the labellum has glossy purple calli and two purple ridges. The middle section has pinkish red hairs up to Шаблон:Convert long and there is a narrow tip about Шаблон:Convert long. Flowering occurs from December to February but each flower only lasts two to four days.[1]

Taxonomy and naming

Calochilus imperiosus was first formally described in 2004 by David Jones and the description was published in The Orchadian from specimens collected south of Cooktown.[2] The specific epithet (imperiosus) is a Latin word meaning "possessed of command", "mighty" or "domineering".[3]

Distribution and habitat

The imperial beard orchid grows in grassland and grassy woodland or forest between Cooktown and Herberton in north Queensland and near Kapalga in Kakadu National Park.[1]

References

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