Sargassum polycystum

C. Agardh

Brown algae, Arien harulu

SargassaceaeLeavesSeaweedScore: 1/100
Sargassum polycystum
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C.Agardh, no known copyright restrictions (public domain)
Sargassum polycystum
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(c) Jonathan Lavan, underpressurephotog.com, some rights reserved (CC BY-NC), uploaded by Jonathan Lavan, underpressurephotog.com
Sargassum polycystum
iNaturalist · cc-by-nc
(c) obscurus, some rights reserved (CC BY-NC), uploaded by obscurus

What to Eat

Edible parts: Algae, Seaweed, Frond

The fronds and seaweed are eaten.

Where to Find It

It is a tropical plant. It grows on coral reefs. It grows in the lower tidal zone and on sheltered shores.

Africa, Andaman Islands, Asia, Australia, Canary Islands, China, East Africa, FSM, Guam, India, Indochina, Indonesia, Japan, Kenya, Madagascar, Malaysia, Mauritius, Micronesia, Myanmar, New Caledonia, Pacific, Pakistan, Palau, Papua New Guinea, PNG, Philippines, Reunion, SE Asia, Seychelles, Singapore, Solomon Islands, Sri Lanka, Taiwan, Tanzania, Thailand, Tonga, Vanuatu, Vietnam, Wallis & Futuna,

Countries: United Arab Emirates, Afghanistan, Armenia, Angola, Australia, Azerbaijan, Bangladesh, Burkina Faso, Bahrain, Burundi, Benin, Brunei, Bhutan, Botswana, Congo (DRC), Central African Republic, Congo (Republic), Cote d'Ivoire, Cameroon, China, Cape Verde, Djibouti, Algeria, Egypt, Eritrea, Ethiopia, Fiji, Micronesia, Gabon, Georgia, Ghana, Gambia, Guinea, Equatorial Guinea, Guinea-Bissau, Indonesia, Israel, India, Iraq, Iran, Jordan, Japan, Kenya, Kyrgyzstan, Cambodia, Kiribati, Comoros, North Korea, South Korea, Kuwait, Kazakhstan, Laos, Lebanon, Sri Lanka, Liberia, Lesotho, Libya, Morocco, Madagascar, Marshall Islands, Mali, Myanmar, Mongolia, Mauritania, Mauritius, Maldives, Malawi, Malaysia, Mozambique, Namibia, New Caledonia, Niger, Nigeria, Nepal, Nauru, New Zealand, Oman, Papua New Guinea, Philippines, Pakistan, Palau, Qatar, Reunion, Rwanda, Saudi Arabia, Solomon Islands, Seychelles, Sudan, Singapore, Sierra Leone, Senegal, Somalia, South Sudan, Sao Tome & Principe, Syria, Eswatini, Chad, Togo, Thailand, Tajikistan, Timor-Leste, Turkmenistan, Tunisia, Tonga, Turkey, Tuvalu, Taiwan, Tanzania, Uganda, Uzbekistan, Vietnam, Vanuatu, Samoa, Yemen, South Africa, Zambia, Zimbabwe

How to Identify

A brown seaweed. It produces runners from the base. Then erect branches arise from these. These erect stems are 30 cm long. They are warted and have deeply toothed leaves.

Nutrition Score: 1/100

PartMoisturekJkcalProteinVit AVit CIronZinc
Seaweed 5.4
Names & Synonyms

Agar-agar koepan, Boto-boto, Lusay-lusay

References (10)
  • Cherry, P., et al, 2019, Risks and benefits of consuming edible seaweeds. Nutrition ReviewsVR Vol. 77(5):307–329
  • Cribb, A.B., 1996, Seaweeds of Queensland A Naturalist's Guide. The Queensland Naturalists' Club Handbook No. 2. p 59
  • http://www.seavegetables.com
  • Kiple, K.F. & Ornelas, K.C., (eds), 2000, The Cambridge World History of Food. CUP p 236
  • Wang, Wei-Lung and Chiang, Young-Meng, 1994, Potential Economic Seaweeds of Hengchun Peninsula, Taiwan, Economic Botany, Vol. 48, No. 2, pp. 182-189
  • Womersley, H.B. S. & Bailey, A., 1970, Marine algae of the Solomon Islands. Philosophical Transactions of the Royal Society of London. B. Biological Sciences 259:257-352
  • World Checklist of Useful Plant Species 2020. Royal Botanic Gardens, Kew
  • Xia, B., and Abbott, I.A., 1987, Edible seaweeds of China and their place in the Chinese diet. Economic Botany 41:341-53
  • Zaneveld, J.S., 1955, Economic marine algae of tropical South and East Asia and their utilization. Indo-Pacific Special Publications, No 3 Bangkok.
  • Zemke-White, W. L. & Ohno, M., 1999, World seaweed utilisation: An end-of-century summary. Journal of Applied Phycology 11: 369-376

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