Calypso orchid
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''Calypso'' is a
genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of
orchid Orchids are plants that belong to the family Orchidaceae (), a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant. Along with the Asteraceae, they are one of the two largest families of flowering ...
s containing one species, ''Calypso bulbosa'', known as the calypso orchid, fairy slipper or Venus's slipper. It is a
perennial A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...
member of the
orchid family Orchids are plants that belong to the family Orchidaceae (), a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant. Along with the Asteraceae, they are one of the two largest families of flowering ...
found in undisturbed northern and
montane forest Montane ecosystems are found on the slopes of mountains. The alpine climate in these regions strongly affects the ecosystem because temperatures fall as elevation increases, causing the ecosystem to stratify. This stratification is a crucial f ...
s. It has a small pink, purple, pinkish-purple, or red
flower A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). The biological function of a flower is to facilitate reproduction, usually by providing a mechani ...
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 In botany, a bulb is structurally a short stem with fleshy leaves or leaf basesBell, A.D. 1997. ''Plant form: an illustrated guide to flowering plant morphology''. Oxford University Press, Oxford, U.K. that function as food storage organs duri ...
-like
corm A corm, bulbo-tuber, or bulbotuber is a short, vertical, swollen underground plant stem that serves as a storage organ that some plants use to survive winter or other adverse conditions such as summer drought and heat (perennation). The word ' ...
s.


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. 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. File:Calypso bulbosa - Flickr 005.jpg, Flowers File:Calypso bulbosa 5499.JPG, Leaf Top File:Calypso bulbosa 5500.JPG, Leaf underside File:Calypso bulbosa var. occidentalis (3).jpg, White form of ''Calypso bulbosa'' var. ''occidentalis''


Taxonomy and systematics

The chromosomes 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'' , which is still valid today. was described in 1806 by the English gardener Richard Anthony Salisbury (1761-1829) in the work "Paradisus Londinensis", which Salisbury with the then director of the Royal Botanic Gardens in London,
William Jackson Hooker Sir William Jackson Hooker (6 July 178512 August 1865) was an English botanist and botanical illustrator, who became the first director of Kew when in 1841 it was recommended to be placed under state ownership as a botanic garden. At Kew he ...
(1785-1865), published. Carl von Linné originally assigned the ''Calypso bulbosa'' to the genus ''Cypripedium'' in 1753. But ''Calypso'' and ''Cypripedium'' now belong to two different subfamilies. The following generic names have been published as synonyms: * ''Cytherea'' (1812) * ''Orchidium'' (1814) * ''Calypsodium'' (1829) * ''Norna'' (1833) The valid botanical species name of the Calypso orchid is: ''Calypso bulbosa'' . The Basionym ''Cypripedium bulbosum'' was described by Linné in "Species Plantarum". The species names listed here are used as synonyms: File:The paradisus londinensis (8318676110).jpg, ''C. bulbosa'' in "Paradisus Londinensis" File:Flora Europaea inchoata (Pl. 7) (6032619343).jpg, Illustration of ''Calypso bulbosa'' as ''Cypripedium bulbosum'' by
Johann Jacob Roemer Johann Jacob Roemer (8 January 1763, Zurich – 15 January 1819) was a physician and professor of botany in Zurich, Switzerland. He was also an entomologist. With Austrian botanist Joseph August Schultes, he published the 16th edition of Ca ...
in Flora Europaea inchoata (1797) File:Calypso bulbosa (as Calypso borealis) - Curtis' 54 (N.S. 1) pl. 2763 (1827).jpg, Illustration of ''Calypso bulbos''a (as syn. Calypso borealis) in " Curtis's Botanical Magazine" vol.54 (N.S. 1) pl. 2763 (1827) File:Abbildungen der in Deutschland und den angrenzenden gebieten vorkommenden grundformen der orchideenarten (Pl 60 Calypso bulbos) (6022132370).jpg, ''Calypso bulbosa'' Rchb. F. by Kränzlin, Friedrich; Müller, Walter in Abbildungen der in Deutschland und den angrenzenden gebieten vorkommenden grundformen der orchideenarten (1904)
;Varieties Four natural varieties and one nothovariety (variety of hybrid origin but established in the wild) are recognized:


Distribution and ecology

This species' range is
circumpolar Circumpolar may refer to: * Antarctic region ** Antarctic Circle ** the Antarctic Circumpolar Current ** Subantarctic ** List of Antarctic and subantarctic islands ** Antarctic Convergence ** Antarctic Circumpolar Wave ** Antarctic Ocean * Arctic ...
, and includes California, the Rocky Mountain states and most of the most northerly states of the
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
; most of
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...
;
Scandinavia Scandinavia; Sámi languages: /. ( ) is a subregion#Europe, subregion in Northern Europe, with strong historical, cultural, and linguistic ties between its constituent peoples. In English usage, ''Scandinavia'' most commonly refers to Denmark, ...
much of European and Asiatic
Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
;
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
, Mongolia, Korea and
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
—see external links for map.Kew World Checklist of Selected Plant Families
/ref> 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 An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and inva ...
in several U. S. states and in Sweden and Finland. It does not transplant well owing to its
mycorrhiza   A mycorrhiza (from Greek μύκης ', "fungus", and ῥίζα ', "root"; pl. mycorrhizae, mycorrhiza or mycorrhizas) is a symbiotic association between a fungus and a plant. The term mycorrhiza refers to the role of the fungus in the plant ...
l dependence on specific soil fungi. The corms have been used as a food source by
North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...
n
native Native may refer to: People * Jus soli, citizenship by right of birth * Indigenous peoples, peoples with a set of specific rights based on their historical ties to a particular territory ** Native Americans (disambiguation) In arts and entert ...
peoples. The
Nlaka'pamux The Nlaka'pamux or Nlakapamuk ( ; ), also previously known as the ''Thompson'', ''Thompson River Salish'', ''Thompson Salish'', ''Thompson River Indians'' or ''Thompson River people'', and historically as the ''Klackarpun'', ''Haukamaugh'', ''Kni ...
of
British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, ...
used it as a treatment for mild
epilepsy Epilepsy is a group of non-communicable neurological disorders characterized by recurrent epileptic seizures. Epileptic seizures can vary from brief and nearly undetectable periods to long periods of vigorous shaking due to abnormal electrical ...
. At least near
Banff, Alberta Banff is a town within Banff National Park in Alberta, Canada. It is located in Alberta's Rockies along the Trans-Canada Highway, approximately west of Calgary and east of Lake Louise. At above Banff is the community with the second highest e ...
, the calypso orchid is pollinated by bumble bees (''
Bombus A bumblebee (or bumble bee, bumble-bee, or humble-bee) is any of over 250 species in the genus ''Bombus'', part of Apidae, one of the bee families. This genus is the only extant group in the tribe Bombini, though a few extinct related gener ...
(Pyrobombus)'' and ''B.
Psithyrus Cuckoo bumblebees are members of the subgenus ''Psithyrus'' in the bumblebee genus ''Bombus''. Until recently, the 28 species of ''Psithyrus'' were considered to constitute a separate genus. They are a specialized socially parasitic lineage whi ...
''). It relies on "pollination by deception", as it attracts insects to
anther The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filam ...
-like yellow hairs at the entrance to the pouch and forked nectary-like structures at the end of the pouch but produces no
nectar Nectar is a sugar-rich liquid produced by plants in glands called nectaries or nectarines, either within the flowers with which it attracts pollinating animals, or by extrafloral nectaries, which provide a nutrient source to animal mutualists ...
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. Summarized by Coleman and by Boyden


References


External links

* *
Map of distribution

Jepson Manual treatment of the species


{{Taxonbar, from1=Q1141063, from2=Q13398625 Orchids of the United States Plants described in 1753 Taxa named by Carl Linnaeus Orchids of Canada Orchids of Europe Orchids of Asia Orchids of Russia Orchids of China Calypsoinae Plants used in Native American cuisine Plants used in traditional Native American medicine Flora without expected TNC conservation status