Sargassum plagiophyllum   C. Agardh,  1824 (Algae)
Organism information awaits expert curation
Class: Phaeophyceae

Size: Height 30-35 cm or more.

Color: Brown

Thallus form and type: Foliose and bushy

Substratum: Intertidal rocks

Occurrence: Infra littoral fringe and sub littoral zone, tide pools

Season: November-April

Abundance: Dense

Plants with the basal portion forming a thick discoidal holdfast. Upper portion richly branched, radially organized. Axes of the plants glabrous, cylindrical, being about 2 mm in thickness. Leaves larger in the lower portion of the axes, being 2-3 cm long and 0.5-8 mm broad, becoming smaller upwards, linear-oblong, margins often almost entire, subundulate or subdentate, apex obtuse, acute at the base. Midrib of the leaves inconspicuous, cryptostomata scattered on both sides of it. Vesicles small, spherical, 2-2.5 mm broad, sometimes tipped.

Receptacles more or less richly branched, spindle-shaped, with antheridial and oogonial conceptacles borne on separate receptacles.

Synonym (s)
Fucus plagiophyllus Mertens (cf. De Toni), 1895
Sargassum stolonifolium S. M. Phang & T. Yoshida, 1997
(Heterotypic synonym)

Common Name (s)
Economic Importance and Threats
Importance:  Commercial
(Used to prepare Seaweed Liquid Fertilizer (SLF))

Habitat:  Rocky, Coastal


• Tamil Nadu, Kanniyakumari INDIA
• Gujarat, Dwarka INDIA
• Gujarat, Porbandar INDIA
• Karnataka, Karwar INDIA
• Maharashtra, Malvan Harbour INDIA
• Tamil Nadu, Alantalai-Manapad INDIA (Record: 03/1988)
• Tamil Nadu, Vembar-Nallatanni Tivu INDIA (Record: 03/1988)
• Tamil Nadu, Kilakarai-Dhanushkodi INDIA (Record: 12/1990-01/1991)
• Gujarat, Gulf of Kachchh INDIA
• Tamil Nadu, Krusadai Island INDIA
• Tamil Nadu, Tuticorin INDIA
• Gujarat, Okha INDIA

Literature Source(s)
  • DigiMus2.0 – The Software for Digital Museum of Seaweed Specimen Records Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Kumar, VR and Mohan, VR (2000) SLF application on recovery of drought stressed black gram Seaweed Research and Utilisation Seaweed Research and Utilisation Association, Tamil Nadu 22 (1 & 2) 89-91 Available at - NIO, Goa
  • (2006) Algaebase Available at -
  • Mishra, JN (1966) Phaeophyceae in India ICAR 203 pp Available at - NIO, Goa
  • 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
  • Kaliaperumal, N; Chennubhotla, VSK; Kalimuthu, S; Ramalingam, JR; Pillai, SK; Muniyandi, K; Rao, KR; Rao, PVS; Thomas, PC; Zaidi, SH and Subbaramaiah, K (1998) Seaweed resources and distribution in deep waters from Dhanushkodi to Kanyakumari, Tamilnadu Seaweed Research and Utilisation Seaweed Research and Utilisation Association, Tamil Nadu, India 20(1&2) 141-151 Available at - NIO, Goa
  • (1997) Coastal marine environment of Gujarat 178pp Available at - NIO, Goa
  • 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
  • Kumar, V (1993) Biochemical constituents of marine algae from Tuticorin coast Indian journal of marine sciences CSIR 22 138-140 Available at - NIO, Goa
  • Jha B, Reddy C.R.K, Thakur M C and Rao M (2009) Seaweeds of India The Diversity and Distribution of seaweeds of Gujarat Coast Springer 211pp Available at - NIO

Page last updated on:2012-12-04

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