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Sargassum aquifolium

Topic: Biology

 From HandWiki - Reading time: 4 min

Short description: Species of algae

Sargassum aquifolium
Scientific classification edit
Script error: No such module "Taxobox ranks".: Eukaryota
Script error: No such module "Taxobox ranks".: Diaphoretickes
Script error: No such module "Taxobox ranks".: SAR
Script error: No such module "Taxobox ranks".: Stramenopiles
Script error: No such module "Taxobox ranks".: Gyrista
Script error: No such module "Taxobox ranks".: Ochrophytina
Script error: No such module "Taxobox ranks".: Phaeophyceae
Script error: No such module "Taxobox ranks".: Fucales
Script error: No such module "Taxobox ranks".: Sargassaceae
Script error: No such module "Taxobox ranks".: Sargassum
Script error: No such module "Taxobox ranks".: <div style="display:inline" class="script error: no such module "taxobox ranks".">S. aquifolium
Binomial name
Sargassum aquifolium
J.Agardh

Formerly known as Sargassum echinocarpum, Sargassum aquifolium is an abundant brown algae of the order Fucales, class Phaeophyceae, genus Sargassum.[1] In Hawaii, it is commonly known as limu kala.[2] This alga is endemic to Hawaiʻi, one out of the four endemic species of endemic Sargassum.[2]

Description

Sargassum aquifolium can reach up to 30 centimeters with a flat main branch and wide, short, spiny leaves.[2] Size vary based on where they live, but S. aquifolium that live on reef flats are usually larger and more narrow.[2] Leaves range from 2.54-10.16 centimeters (1-4 inches) in length and 1.27 centimeters (0.5 inches) in width.[3] Leaves are golden-brown color with brown dots and a clear spine.[3] Edges of leaves are smooth or spiny with toothlike edges.[3] Sargassum aquifolium can float due to the pneumatocysts found on the leaves.[4]

Distribution and habitat

Sargassum aquifolium is endemic to the Hawaiian islands.[4] Sargassum aquifolium is the most common and largest species of Sargassum in Hawaii.[2] Sargassum aquifolium can be found growing year-round in subtidal ranges with rocky terrain and reef flats.[5] Sargassum aquifolium is common to wave-washed lava benches and can also be found in warm, calm tide pools with depths of more than 3 meters (10 feet).[5] This seaweed grows in habitats where waves are present and moderate and usually thrives in the North Pacific where winter swells come in.[5]

Human use

Leaves of Sargassum aquifolium are used as food.[3] The youngest leaves are picked and used because the older leaves are too tough to eat.[3] Leaves are washed and are soaked in fresh water overnight and can then be used in food.[3] It is usually chopped or ground up and combined with other seaweeds or cooked in soup.[3] Whole leaves are deep fried into chips.[3] Sargassum aquifolium is also eaten fresh at the beach with raw fish or octopus.[6] Sargassum aquifolium is also used for fish bait.[3]

Cultural significance

Limu kala was believed to be among many of its kind (limu, lit. 'seaweed') appearing in the first period of creation (wā) as mentioned in the Kumulipo.[7]

It is often used in sacred ceremonies in Hawaiian culture.[4] A ceremony called Hoʻoponopono used the leaves of the seaweed to pray to the gods and ask for forgiveness if they had offended anyone in the circle.[8] This ceremony was usually done when a family was having problems and limu kala was used because it was associated with purification.[8] Another use Hawaiians had for the seaweed was when they were going fishing.[8] They would use the seaweed as bait for certain fishes.[8] It gained the named limu honu after people realized that turtles enjoyed eating the seaweed too.[8] S. aquifolium (limu kala) was also used in other healing and purifying ceremonies and adornment on hula dancers.[9]

References

  1. ↑ "WoRMS - World Register of Marine Species". https://www.marinespecies.org/. 
  2. ↑ 2.0 2.1 2.2 2.3 2.4 Abbott, Isabella A. (1988). Taxonomy of Economic Seaweeds. La Jolla, California: California Sea Grant College Program, University of California, La Jolla, California. pp. 65-71. 
  3. ↑ 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 Abbott, Isabella Aiona (1984). Limu: an ethnobotanical study of some Hawaiian seaweeds (3rd ed.). Lawai, Kauai, Hawaii: Pacific Tropical Botanical Garden. ISBN 0-915809-13-3. OCLC 10981330. 
  4. ↑ 4.0 4.1 4.2 "Alga of the Month January-February 2020 | Marine Option Program" (in en-US). https://manoa.hawaii.edu/mop/2020/02/05/algae-of-the-month-january-february-2020/. 
  5. ↑ 5.0 5.1 5.2 Shunula, J.P. (1988). "Seasonal Growth And Reproduction of Two Species of Sargassum at Pange Island, Zanzibar, Tanzania". http://mbai.org.in/uploads1/manuscripts/Article%2020%20(160-163)1036190975.pdf. 
  6. ↑ Fortner, Heather J. (1978). The Limu Eater: A Cookbook of Hawaiian Seaweed. pp. 23. 
  7. ↑ Martha Warren Beckwith (1951). The Kumulipo: A Hawaiian Creation Chant (1981 paperback ed.). University of Hawaii Press. p. 60. ISBN 0-8248-0771-5. http://www.ulukau.org/elib/cgi-bin/library?c=beckwit2&l=en. 
  8. ↑ 8.0 8.1 8.2 8.3 8.4 Huisman, John M. (2007). Hawaiian reef plants. Isabella Aiona Abbott, Celia Marie Smith, University of Hawaii at Manoa. Sea Grant College Program. Honolulu, Hawaiʻi: University of Hawaiʻi Sea Grant College Program. ISBN 1-929054-04-1. OCLC 123040861. 
  9. ↑ McDermid, Karla J.; Martin, Keelee J.; Haws, Maria C. (2019-10-01). "Seaweed resources of the Hawaiian Islands" (in en). Botanica Marina 62 (5): 443–462. doi:10.1515/bot-2018-0091. ISSN 1437-4323. https://www.degruyter.com/document/doi/10.1515/bot-2018-0091/html. 

Wikidata ☰ Q29290600 entry



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