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Sea lettuce
 
 
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The sea lettuces comprise the 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....
 Ulva, a group of edible green algae widely distributed along the coasts of the world's ocean
Ocean

An ocean is a major body of Seawater, and a principal component of the hydrosphere. Approximately 71% of the Earth's surface is covered by ocean, a World Ocean that is customarily divided into several principal oceans and smaller seas....
s.

The many species of sea lettuce are a popular food in many of the places where they grow, including Scandinavia
Scandinavia

Scandinavia is a historical and geographical subregion in northern Europe that includes the Scandinavian Peninsula. It consists of the kingdoms of Norway, Sweden, and Denmark; some authorities also include Finland and some might even include Iceland....
, Great Britain
Great Britain

Great Britain is an island lying to the northwest of Continental Europe. It is the List of islands by area, and the largest in Europe. With a population of 58.9 million people it is List of islands by population....
, Ireland
Ireland

Ireland is the List of islands by area in Europe, and the twentieth-largest island in the world. It lies to the north-west of continental Europe and is surrounded by hundreds of islands and islet....
, 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....
, and Japan
Japan

Japan is an island country in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, People's Republic of China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south....
 (where they are known as aosa). They can be eaten raw in salad
Salad

Salad is a mixture of cold or hot foods, usually including vegetables and/or fruits, often with a dressing, occasionally nuts or croutons, and sometimes with the addition of meat, fish, pasta, cheese, eggs, or whole grains....
s, or cooked in soup
Soup

Soup is a food that is made by combining ingredients such as meat and vegetables in Stock or hot/boiling water, until the flavor is extracted, forming a broth....
s, and are high in protein
Protein

Proteins are organic compounds made of amino acids arranged in a linear chain and joined together by peptide bonds between the carboxyl and amino groups of adjacent amino acid Residue ....
, soluble dietary fiber
Dietary fiber

Dietary fiber, sometimes called "roughage", is the indigestible portion of plant foods that pushes food through the digestive system, absorbing water and easing defecation....
, and a variety of vitamin
Vitamin

A vitamin is an organic compound required as a nutrient in tiny amounts by an organism. A compound is called a vitamin when it cannot be biosynthesis in sufficient quantities by an organism, and must be obtained from the diet....
s and mineral
Mineral

A mineral is a naturally occurring solid formed through Geology processes that has a characteristic chemical composition, a highly ordered atomic structure, and specific physical properties....
s including especially iron
Iron

Iron is a chemical element with the symbol Fe and atomic number 26. Iron is a Group 8 element and period 4 element. Iron is lustrous and silvery in color....
.

Good sized leaves grow to over 400mm but this only occurs when the plants are growing in sheltered areas.

The type species is Ulva lactuca
Ulva lactuca

Ulva lactuca Linnaeus, a green alga in the Division Chlorophyta, is the type species of the genus Sea Lettuce, also known by the common name sea lettuce....
 Linnaeus.

Additionally, some species in the genus Monostroma
Monostroma

In alpha taxonomy, Monostroma is a genus of algae, specifically of the Monostromataceae....
 are known as slender sea lettuces.

It is eaten by some sea animals, such as manatee
Manatee

Manatees are large, fully aquatic marine mammals sometimes known as sea cows. The name manat? comes from the Ta?no, a pre-Columbian people of the Caribbean, meaning "breast"....
s.








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Encyclopedia


The sea lettuces comprise the 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....
 Ulva, a group of edible green algae widely distributed along the coasts of the world's ocean
Ocean

An ocean is a major body of Seawater, and a principal component of the hydrosphere. Approximately 71% of the Earth's surface is covered by ocean, a World Ocean that is customarily divided into several principal oceans and smaller seas....
s.

The many species of sea lettuce are a popular food in many of the places where they grow, including Scandinavia
Scandinavia

Scandinavia is a historical and geographical subregion in northern Europe that includes the Scandinavian Peninsula. It consists of the kingdoms of Norway, Sweden, and Denmark; some authorities also include Finland and some might even include Iceland....
, Great Britain
Great Britain

Great Britain is an island lying to the northwest of Continental Europe. It is the List of islands by area, and the largest in Europe. With a population of 58.9 million people it is List of islands by population....
, Ireland
Ireland

Ireland is the List of islands by area in Europe, and the twentieth-largest island in the world. It lies to the north-west of continental Europe and is surrounded by hundreds of islands and islet....
, 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....
, and Japan
Japan

Japan is an island country in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, People's Republic of China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south....
 (where they are known as aosa). They can be eaten raw in salad
Salad

Salad is a mixture of cold or hot foods, usually including vegetables and/or fruits, often with a dressing, occasionally nuts or croutons, and sometimes with the addition of meat, fish, pasta, cheese, eggs, or whole grains....
s, or cooked in soup
Soup

Soup is a food that is made by combining ingredients such as meat and vegetables in Stock or hot/boiling water, until the flavor is extracted, forming a broth....
s, and are high in protein
Protein

Proteins are organic compounds made of amino acids arranged in a linear chain and joined together by peptide bonds between the carboxyl and amino groups of adjacent amino acid Residue ....
, soluble dietary fiber
Dietary fiber

Dietary fiber, sometimes called "roughage", is the indigestible portion of plant foods that pushes food through the digestive system, absorbing water and easing defecation....
, and a variety of vitamin
Vitamin

A vitamin is an organic compound required as a nutrient in tiny amounts by an organism. A compound is called a vitamin when it cannot be biosynthesis in sufficient quantities by an organism, and must be obtained from the diet....
s and mineral
Mineral

A mineral is a naturally occurring solid formed through Geology processes that has a characteristic chemical composition, a highly ordered atomic structure, and specific physical properties....
s including especially iron
Iron

Iron is a chemical element with the symbol Fe and atomic number 26. Iron is a Group 8 element and period 4 element. Iron is lustrous and silvery in color....
.

Good sized leaves grow to over 400mm but this only occurs when the plants are growing in sheltered areas.

The type species is Ulva lactuca
Ulva lactuca

Ulva lactuca Linnaeus, a green alga in the Division Chlorophyta, is the type species of the genus Sea Lettuce, also known by the common name sea lettuce....
 Linnaeus.

Additionally, some species in the genus Monostroma
Monostroma

In alpha taxonomy, Monostroma is a genus of algae, specifically of the Monostromataceae....
 are known as slender sea lettuces.

It is eaten by some sea animals, such as manatee
Manatee

Manatees are large, fully aquatic marine mammals sometimes known as sea cows. The name manat? comes from the Ta?no, a pre-Columbian people of the Caribbean, meaning "breast"....
s.

Species in the genus Ulva

  • Ulva lactuca
    Ulva lactuca

    Ulva lactuca Linnaeus, a green alga in the Division Chlorophyta, is the type species of the genus Sea Lettuce, also known by the common name sea lettuce....
  • Ulva pertusa
  • Ulva fasciata
  • Ulva rigida
  • Ulva linza


See also

  • Seaweed
    Seaweed

    Seaweed is a loose colloquial term encompassing macroscopic, multicellular, benthos ocean algae. The term includes some members of the rhodophyta, phycophyta and green algae....


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