Английская Википедия:Calypso bulbosa

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Calypso is a genus of orchids containing one species, Calypso bulbosa, known as the calypso orchid, fairy slipper or Venus's slipper. It is a perennial member of the orchid family found in undisturbed northern and montane forests. It has a small pink, purple, pinkish-purple, or red flower accented with a white lip, darker purple spottings, and yellow beard. The genus Calypso takes its name from the Greek signifying concealment, as they tend to favor sheltered areas on conifer forest floors. The specific epithet, bulbosa, refers to the bulb-like corms.[1]

Description

Calypso bulbosa is a deciduous, perennial, herbaceous tuberous geophyte with a round, egg-shaped tuber as a perennial organ. It is encased in dead leaf sheaths and has elongated roots. Calypso orchids are typically 8 to 20 cm in height.[1] At the bottom there is only a single leaf, which is stalked up to about 7 cm long. The leaves are whole eliptical lanceolate to egg-shaped blade is up to 6 cm long and up to 5 cm wide.

Plant blooms with a purple-pink hermaphroditic, zygomorphic and threefold flower. The protruding petals and sepals are pink to purple in color, about 10 to 12 millimeters long and about 2 to 4 millimeters wide. The lip (labellum) is white to pink with pink or yellow spots. It has a wide, shoe-shaped cavity in the back and is about 15 to 25 millimeters long. A spur is absent. They do not bloom until May and June usually after snow melt. Each bulb lives no more than five years.[1]

Taxonomy and systematics

The chromosome count is 2n = 28. Since the orchid seed does not provide any nutrient tissue, germination only takes place when infected by a mycorrhizal root fungus.

Taxonomy

The generic name Calypso Шаблон:Small, which is still valid today, was described in 1806 by the English gardener Richard Anthony Salisbury (1761-1829) in the work "Paradisus Londinensis", published with the then-director of the Royal Botanic Gardens in London, William Jackson Hooker (1785-1865). Carl von Linné originally assigned Calypso bulbosa to the genus Cypripedium in 1753, but Calypso and Cypripedium now belong to two different subfamilies.Шаблон:Citation needed

The following generic names have been published as synonyms:

The valid botanical species name of the Calypso orchid is: Calypso bulbosa Шаблон:Small.

The basionym Cypripedium bulbosum Шаблон:Small was described by Linné in "Species Plantarum".

The species names listed here are used as synonyms:

Varieties

Four natural varieties and one nothovariety (variety of hybrid origin but established in the wild) are recognized:[2]

Image Subspecies Distribution
Файл:Kamloops…McQueen Lk "O" map…Calypso bulbosa in all it's splendor (8883583432).jpg Calypso bulbosa var. americana (R.Br.) Luer most of Canada, western and northern United States
Файл:Calypso bulbosa Finland, Keminmaa 2014-05-23.jpg Calypso bulbosa var. bulbosa Sweden, Finland, Baltic States, much of Russia, Mongolia, Korea
Calypso bulbosa nothovar. kostiukiae Catling Alberta (C. bulbosa var. americana × C. bulbosa var. occidentalis)
Файл:Calypsobulbosa.jpg Calypso bulbosa var. occidentalis (Holz.) Cockerell from Alaska and British Columbia south through the Cascades, Rockies, and Sierra Nevada to California
Файл:Calypso bulbosa, Japan 1.JPG Calypso bulbosa var. speciosa (Schltr.) Makino Japan, China (Gansu, Jilin, Nei Mongol, Sichuan, Tibet, Yunnan)[3]

Distribution and ecology

Файл:Calypso bulbosa - Flickr 004.jpg
Calypso bulbosa in Mendocino County, CA
Файл:Calypso bulbosa clump1.jpg
Calypso bulbosa in Calypso bulbosa var, americana, in bloom, Winsor Trail, Santa Fe County, New Mexico.

This species' range is circumpolar,[4] and includes California, the Rocky Mountain states and most of the most northerly states of the United States; most of Canada; Scandinavia much of European and Asiatic Russia; China, Mongolia, Korea and Japan—see external links for map.[2][5] It is found in subarctic swamps and marshes as well as shady places subarctic coniferous forests.

Although the calypso orchid's distribution is wide, it is very susceptible to disturbance, and is therefore classified as threatened or endangered in several U. S. states and in Sweden and Finland. It does not transplant well[1] owing to its mycorrhizal dependence on specific soil fungi. The corms have been used as a food source by North American native peoples. The Nlaka'pamux of British Columbia used it as a treatment for mild epilepsy.[6]

At least near Banff, Alberta, the calypso orchid is pollinated by bumble bees (Bombus (Pyrobombus) and B. Psithyrus). It relies on "pollination by deception", as it attracts insects to anther-like yellow hairs at the entrance to the pouch and forked nectary-like structures at the end of the pouch but produces no nectar that would nourish them. Insects quickly learn not to revisit it. Avoiding such recognition may account for some of the small variation in the flower's appearance.[5][7]

References

Шаблон:Reflist

External links

Шаблон:Taxonbar

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  1. ↑ 1,0 1,1 1,2 1,3 Шаблон:Citation
  2. ↑ 2,0 2,1 Kew World Checklist of Selected Plant Families
  3. ↑ Flora of China v 25 p 252, 布袋兰 bu dai lan, Calypso bulbosa var. speciosa
  4. ↑ C.Michael Hogan, ed. 2010. Calypso bulbosa. Encyclopedia of Life.
  5. ↑ 5,0 5,1 Шаблон:Citation
  6. ↑ Шаблон:Citation
  7. ↑ Шаблон:Citation Summarized by Coleman and by Boyden
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