Sargassum glaucescens   J. Agardh,  1848 (Algae)
Organism information awaits expert curation
Class: Phaeophyceae

Image copyrights: Science Press

Thalli glaucescent, reaching a height of 40-50 cm or more, arising from depressed, scutate discoid holdfasts. Main axes very short, cylindrical, smooth, about 4 mm long, 2.5 mm diameter, giving rise to primary branches, subcylindrical or compressed, slightly twisted about 2 mm diameter. Secondary branches beset with short and slender branchlets. Leaves elongated ellipsoid, or lanceolate, 18 mm long, 7 mm broad, apices blunt, bases cuneate with short stalks, conspicuously dentate at the margins, midribs vanishing below the apices, cryptostomata prominent on both sides of the midribs. Vesicles spherical, apices often mucronate, 2-2.5 mm diameter with cylindrical pedicles about 1 mm long.

Dioecious; male receptacles cylindrical, unequally furcated, acute apices; female receptacles single or aggregated, about 3-5 mm long, flattened to triquetrous, sharp teeth at the margins and apices, both male and female often arranged in racemes, strictly pseudozygocarpicas.

Synonym (s)
Sargassum ornatum Greville, 1848
(Heterotypic synonym)
Sargassum debile Greville, 1849
(Heterotypic synonym)
Sargassum ivanii Montagne, 1846

Common Name (s)
Economic Importance and Threats

Habitat:  Rocky, Coastal


• Maharashtra, Vengurla (Lat: 15.87) (Long: 73.63) INDIA
• Maharashtra, Mumbai (Lat: 18.98) (Long: 72.83) INDIA
• Andaman and Nicobar Islands, Port Blair (Lat: 11.67) (Long: 92.75) INDIA
• Andaman and Nicobar Islands INDIA
• Andaman and Nicobar Islands, Katchall (Lat: 7.95) (Long: 93.37) INDIA
• West Coast, Malabar (Lat: 9.97) (Long: 76.23) INDIA
• Maharashtra INDIA
• Andaman and Nicobar Islands, Andaman Islands INDIA
• Andaman and Nicobar Islands, Nicobar Islands INDIA

Literature Source(s)
  • Sahoo, D; Nivedita and Debasish (2001) Seaweeds of Indian coast S. B. Nangia, A. P. H. Publishing Corporation, New Delhi 283 pp Available at - NIO, Goa
  • Oza, RM and Zaidi, SH (2001) A revised checklist of Indian marine algae Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Silva, PC; Basson, PW and Moe, RL (1996) Catalogue of the benthic marine algae of the Indian Ocean University of California Press 79 1259 pp Available at - NIO, Goa
  • Krishnamurthy, V (2006) Key to the taxonomic identification of green and brown marine algae of India Recent advances on applied aspects of Indian marine algae with reference to global scenario. Seaweed taxonomic identification, aquaculture, resource, environment, fouling and disease Central Salt and Marine Chemicals Research Institute, Bhavnagar 1 1-146 Available at - NIO, Goa
  • (2006) Algaebase Available at -
  • Tseng, CK (Ed.) (1983) Common seaweeds of China Science Press 316 pp Available at - NIO, Goa

Page last updated on:2011-04-05

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