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Laminaria
 
 
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Laminaria is a genus
Genus

A genus is a low-level taxonomic rank used in the classification of living and fossil organisms. The taxonomic ranks are domain , kingdom , phylum, class , order , family , genus, and species....
 of 31 species
Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring....
 of brown algae
Brown algae

The Phaeophyceae or brown algae, is a large group of mostly Ocean multicellular algae, including many seaweeds of colder Northern Hemisphere waters....
 (Phaeophyceae), all sharing the common name "kelp
Kelp

Kelp are large seaweed plants , belonging to the brown algae and classified in the order Laminariales. There are about 30 different genus. Some species can be very long and form kelp forests....
". This economically important genus is characterized by long, leathery laminae and relatively large size. Some species are referred to by the common name Devil's apron, due to their shape, or sea colander, due to the perforations present on the lamina. It is found in the north Atlantic Ocean
Atlantic Ocean

The Atlantic Ocean is the second-largest of the world's oceanic divisions; with a total area of about 106.4 million square kilometres . It covers approximately one-fifth of the Earth's surface....
 and the northern Pacific Ocean
Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. Its name is derived from the Latin name Mare Pacificum, "peaceful sea", bestowed upon it by the Portugal explorer Ferdinand Magellan....
 at depths from (exceptionally to in the warmer waters of the Mediterranean Sea
Mediterranean Sea

The Mediterranean Sea is a sea or Ocean off the Atlantic Ocean surrounded by the Mediterranean region and almost completely enclosed by land: on the north by Europe, on the south by Africa, and on the east by Asia....
 and off Brazil
Brazil

Brazil , officially the Federative Republic of Brazil , is a country in South America. It is the List of countries and outlying territories by total area country by geographical area, occupying nearly half of South America, the List of countries by population country, and the fourth most populous democracy in the world....
).

The name also refers to the use of this algae to dilate the cervix when induction of pregnancy is necessary.






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Encyclopedia


Laminaria is a genus
Genus

A genus is a low-level taxonomic rank used in the classification of living and fossil organisms. The taxonomic ranks are domain , kingdom , phylum, class , order , family , genus, and species....
 of 31 species
Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring....
 of brown algae
Brown algae

The Phaeophyceae or brown algae, is a large group of mostly Ocean multicellular algae, including many seaweeds of colder Northern Hemisphere waters....
 (Phaeophyceae), all sharing the common name "kelp
Kelp

Kelp are large seaweed plants , belonging to the brown algae and classified in the order Laminariales. There are about 30 different genus. Some species can be very long and form kelp forests....
". This economically important genus is characterized by long, leathery laminae and relatively large size. Some species are referred to by the common name Devil's apron, due to their shape, or sea colander, due to the perforations present on the lamina. It is found in the north Atlantic Ocean
Atlantic Ocean

The Atlantic Ocean is the second-largest of the world's oceanic divisions; with a total area of about 106.4 million square kilometres . It covers approximately one-fifth of the Earth's surface....
 and the northern Pacific Ocean
Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. Its name is derived from the Latin name Mare Pacificum, "peaceful sea", bestowed upon it by the Portugal explorer Ferdinand Magellan....
 at depths from (exceptionally to in the warmer waters of the Mediterranean Sea
Mediterranean Sea

The Mediterranean Sea is a sea or Ocean off the Atlantic Ocean surrounded by the Mediterranean region and almost completely enclosed by land: on the north by Europe, on the south by Africa, and on the east by Asia....
 and off Brazil
Brazil

Brazil , officially the Federative Republic of Brazil , is a country in South America. It is the List of countries and outlying territories by total area country by geographical area, occupying nearly half of South America, the List of countries by population country, and the fourth most populous democracy in the world....
).

The name also refers to the use of this algae to dilate the cervix when induction of pregnancy is necessary. It serves to absorb moisture and then expand, subsequently expanding the cervix.

The greater proportion of commercial cultivation is for algin, iodine
Iodine

Iodine , is a chemical element that has the symbol I and atomic number 53. Naturally-occurring iodine is a single isotope with 74 neutrons....
 and mannitol
Mannitol

Mannitol is an organic compound with the formula . This polyol is used as an osmosis diuretic agent and a weak kidney vasodilator. It was originally isolated from the secretions of the flowering ash, called manna after their resemblance to the Biblical food, and is also be referred to as mannite and manna sugar....
, which are used in a range of industrial applications. The largest producer of kelp products is China
China

China is a Culture of China, an ancient civilization, and, depending on perspective, a national or multinational entity extending over a large area in East Asia....
.

Laminaria japonica (J. E. Areschoug — Japón) is now regarded as a synonym of Saccharina japonica
Saccharina japonica

Saccharina japonica is a marine species of Phaeophyceae , a type of kelp or seaweed, that is extensively cultivated in China, Japan and Korea....


Species

  • Laminaria abyssalis A.B. Joly & E.C. Oliveira — Southamerican Atlantic
  • Laminaria agardhii Kjellman — Atlántico de Nortemérica 
  • Laminaria angustata Kjellman — Japan
  • Laminaria appressirhiza J. E. Petrov & V. B. Vozzhinskaya
  • Laminaria brasiliensis A. B. Loly & E. C. Oliveira
  • Laminaria brongardiana Postels & Ruprecht 
  • Laminaria bulbosa J. V. Lamouroux
  • Laminaria bullata Kjellman
  • Laminaria complanata (Setchell & N. L. Garder) Muenscher
  • Laminaria dentigera Kjellm. — North American
    North American

    North American generally refers to an entity, people, group, or attribute of North America, especially of the United States and Canada together....
     Pacific: the strait of the bering of Baja California
    Baja California

    Baja California is the northernmost States of Mexico of Mexico. Before becoming a state in 1953, the area was known as the North Territory of Baja California....
    ;
  • Laminaria diabolica Miyabe
  • Laminaria digitata
    Laminaria digitata

    Laminaria digitata is a brown alga in the Division Heterokontophyta, of the genus Laminaria, also known by the common name Oarweed....
     (Hudson) J. V. Lamouroux
  • Laminaria ephemera Setchell — Pacific of North America: From Vancouver to California 
  • Laminaria farlowii Setchell — Coast of the North American Pacific 
  • Laminaria hyperborea (Gunnerus) Foslie
  • Laminaria inclinatorhiza J. Petrov & V. Vozzhinskaya
  • Laminaria multiplicata J. Petrov & M. Suchovejeva
by Anna Atkins
Anna Atkins

Anna Atkins was an England botanist, photographer, and the first person to publish a book illustrated exclusively with photographic images....
, 1843]]
  • Laminaria nigripes J. Agardh
  • Laminaria ochroleuca Bachelot de la Pylaie
  • Laminaria pallida Greville — South Africa,  Indian Ocean, Canary Islands and de Tristán da Cunha 
  • Laminaria platymeris Bachelot de la Pylaie
  • Laminaria rodriguezii Barnet
  • Laminaria ruprechtii (Areschoug) Setchell
  • Laminaria saccharina
    Laminaria saccharina

    Laminaria saccharina is a brown alga in the Division Heterokontophyta, of the genus Laminaria, also known by the common name Sea Belt....
     (Linnaeus) J.V. Lamouroux
  • Laminaria sachalinensis (Miyabe) Miyabe
  • Laminaria setchellii P. C. Silva
  • Laminaria sinclairii (Harvey ex J. D. Hooker & Harvey) Farlow, Anderson & Eaton — North American
    North American

    North American generally refers to an entity, people, group, or attribute of North America, especially of the United States and Canada together....
     Pacific coast 
  • Laminaria solidugula J. Agardh
  • Laminaria yezoensis Miyabe


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