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definitions - Laminaria

Laminaria (n.)

1.type genus of the family Laminariaceae: perennial brown kelps

2.(MeSH)A genus of BROWN ALGAE in the family Laminariaceae. Dried pencil-like pieces may be inserted in the cervix where they swell as they absorb moisture, serving as osmotic dilators.

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Merriam Webster

Laminaria‖Lam`i*na"ri*a (?), n. [NL. See Lamina.] (Bot.) A genus of great seaweeds with long and broad fronds; kelp, or devil's apron. The fronds commonly grow in clusters, and are sometimes from thirty to fifty feet in length. See Illust. of Kelp.

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definition (more)

definition of Wikipedia

synonyms - Laminaria

Laminaria (n.)

genus Laminaria

Laminaria (n.) (MeSH)

Kombu  (MeSH), Laminaria japonica  (MeSH), Laminaria Tents  (MeSH)


analogical dictionary



Laminaria hyperborea
Scientific classification
Kingdom: Chromalveolata
Phylum: Heterokontophyta
Class: Phaeophyceae
Order: Laminariales
Family: Laminariaceae
Genus: Laminaria
J. V. Lamouroux

c. 30 species; see text

Laminaria is a genus of 31 species of brown algae (Phaeophyceae), all sharing the common name "kelp". 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,[1] or sea colander, due to the perforations present on the lamina.[2] It is found in the north Atlantic Ocean and the northern Pacific Ocean at depths from 8 to 30 m (26 to 98 ft) (exceptionally to 120 m (390 ft) in the warmer waters of the Mediterranean Sea and off Brazil).[3]

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 and mannitol, which are used in a range of industrial applications. In South Korea it is processed into a sweetmeat known as laminaria jelly. The largest producer of kelp products is China. [4]

According to C.Michael Hogan the life cycle of the genus involves a diploid generational system.[5]

Laminaria japonica (J. E. Areschoug — Japón) [6] is now regarded as a synonym of Saccharina japonica[7] and Laminaria saccharina is now classified as Saccharina latissima.[8]


  Laminaria digitata, Cyanotype by Anna Atkins, 1843


  1. ^ "Devil's Apron". Webster's Revised Unabridged Dictionary. C. & G. Merriam Co.. 1913. http://www.thefreedictionary.com/Devil's+apron. 
  2. ^ "Devil's apron - Sea Vegetable". http://www.wellbeingbeingwell.co.uk/sea_vegetables/devil.html. Retrieved 2009-02-06. [dead link][unreliable source?]
  3. ^ Guiry, Michael. "Kelps: Laminaria and Saccharina". http://www.seaweed.ie/algae/laminaria.lasso. Retrieved 2009-02-06. [dead link][unreliable source?]
  4. ^ Culture of Kelp (Laminaria japonica) in China. FAO. June 1989. http://www.fao.org/docrep/field/003/AB724E/AB724E00.htm. 
  5. ^ C.Michael Hogan. 2011. Brown algae. eds. E.Monosson & C.J.Cleveland. Encyclopedia of Earth. National Council for Science and the Environment. Washington DC
  6. ^ T. Tori (1998). An Illustrated Atlas of the Life History of Algae. Uchida Rokakuho Publishing Co., Ltd. Tokyo. ISBN 4-7536-4057-4. [page needed]
  7. ^ M. D. Guiry & Wendy Guiry (2006-09-29). "Laminaria japonica J. E. Areschoug". AlgaeBase. http://www.algaebase.org/search/species/detail/?species_id=1316&sk=0&from=results. 
  8. ^ Saccharina latissima (Linnaeus) J.V. Lamouroux The Seaweed Site. Retrieved 2011-09-20.
  9. ^ Yoneshigue-Valentin, Yocie (1990). "The life cycle of Laminaria abyssalis (Laminariales, Phaeophyta) en cultivo". Hydrobiologia 204–205 (1): 461–466. DOI:10.1007/BF00040271. http://www.springerlink.com/content/nx5v56179q3w7153/. 
  10. ^ M. D. Guiry (2006-03-26). "Laminaria abyssalis A. B. Joly & E. B. Oliveira". AlgaeBase. http://www.algaebase.org/search/species/detail/?species_id=11397. 
  11. ^ M. D. Guiry (2004-09-23). "Laminaria agardhii Kjellman". AlgaeBase. http://www.algaebase.org/search/species/detail/?species_id=22942. 
  12. ^ Taylor (1957). Marine Algae of Northeastern Coast of North America. Ann Arbor. ISBN 0-472-04904-6. [page needed]
  13. ^ M. D. Guiry & Olga Selivanova (2006-09-19). "Laminaria appressirhiza J. E. Petrov & V. B. Vozzhinskaya". AlgaeBase. http://www.algaebase.org/search/species/detail/?species_id=131433. 
  14. ^ M. D. Guiry (2006-04-24). "Laminaria brongardiana Postels & Ruprecht". AlgaeBase. http://www.algaebase.org/search/species/detail/?species_id=26836. 
  15. ^ a b c I. A. Abbott & G. J. Hollenberg (1976). Marine Algae of California. Stanford University Press, Stanford, California. ISBN 0-8047-0867-3. [page needed]
  16. ^ H. Stegenga, J. J. Bolton & R. J. Anderson (1997). Seaweeds of the South Africal West Coast. Bolus Herbarium Number 18, University of Cape Town. 
  17. ^ M. D. Guiry (2004-09-32). "Laminaria pallida Greville". AlgaeBase. http://www.algaebase.org/search/species/detail/?species_id=3461. 

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