Gelidium amansii   (J. V. Lamouroux) J. V. Lamouroux,  1813 (Algae)
Organism information awaits expert curation
Class: Florideophyceae

Image copyrights: Huang Su-fang

Color: Purplish red

Thalli rather rigid, cartilaginous, filiformis, subcylindrical or narrow-linear, perennial, caespitose, erect, 10-20 (30) cm high, forming a dense tuft, arising from a fibrous holdfast. Main axis compressed, pinnately branched in 4-5 orders, alternate or opposite. All the branches with sharp and acute apices.

In transverse section, cortical cells roundish and irregularly arranged with rhizoidal filaments just below the cortex, medulla composed of elliptical cells. Tetrasporangia in terminal portion of the branch, elliptical, cruciate. Cystocarps with two openings.

Synonym (s)
Fucus amansii Lamouroux, 1805
(Homotypic synonym)
Gelidium amansii (Lamouroux) Lamouroux, 1813

Common Name (s)
Economic Importance and Threats
Importance:  Commercial
(Used as food, raw material for agar production.)

Habitat:  Coastal



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
  • Yang, HN; Wang, WL and Liao, LM (1994) Marine algal flora of Pengchia Yu and its special place in the marine phytogeography of Taiwan Botanica Marina 37 429-432 Available at - NCL, Pune
  • Anderson, RJ and Stegenga, H (1989) Subtidal algal communities at Bird Island, Eastern Cape, South Africa Botanica Marina Walter de Gruyter, Berlin 32 299-311 Available at - NIO, Goa
  • Tore, L; Hoppe, HA and Otto, JS (1969) Marine Algae Asurvey of Research and Utilization Cram, De Gruyter and Co., Hamburg 1-421 Available at - NIO, RC Kochi
  • Phang, SM (2006) Seaweed resources in Malaysia: Current status and future prospects 9(2) 185-202 Available at - NCL, Pune
  • 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
  • (2006) Algaebase Available at -
  • Tseng, CK (Ed.) (1983) Common seaweeds of China Science Press 316 pp Available at - NIO, Goa

Page last updated on:2011-05-05

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