Neurymenia fraxinifolia   (Mertens ex Turner) J. Agardh,  1863 (Algae)
Organism information awaits expert curation
Class: Florideophyceae

Image copyrights: National Taiwan Museum

Color: Deep red, purplish becoming reddish-brown on drying.

Frond flat, membranous, leaf-like with distinct midrib and parallel veins. Stem cylindrical, simple or branched, being the thickened and denuded midrib of promordial leaf-like structures, very rigid hard when dry. Leaves simple or pinnately lobed, linear oblong membranous, lamina in older plants decayed and midrib serving as a stripe. Lamina 8-15 cm or more long, 10-25 cm broad, obtuse at base, emarginate and rounded at apices, slightly undulate serrated throughout. Younger leaves starting from the midrib of older lamina. Veins patent with proliferations. Proliferations repeatedly arising from both surfaces of midrib. Teeth along margins of lamina, spinose with subulate and recurved ramuli; similar processes arising from veins and midrib also. Fructifications in secondary adventitious branchlets.

Stichidia elongated, ovate or oblong, apex rounded, shortly stipitate, containing double rows of tetrasporangia. Tetrasporangia 100 µ long, 70 µ broad. Androphore spherical, 120 µ in diameter. Procarp obovate, urn-shaped 60 µ broad, 70 µ long. Cystocarp solitary. Substance very crisp and rigid.

Inhabitant of deeper waters, well protected from the direct action of waves or sunlight.

Synonym (s)
Delesseria fraxinifolia (Mertens ex Turner) C. Agardh, 1817
(Homotypic synonym)
Fucus fraxinifolius Mertens ex Turner, 1809-1811
Amansia fraxinifolia (Mertens ex Turner) C. Agardh, 1822
(Homotypic synonym)
Dictyomenia fraxinifolia (Mertens ex Turner) J. Agardh, 1841
(Homotypic synonym)
Epineuron fraxinifolium (Mertens ex Turner) Harvey ex Kutzing, 1849
(Homotypic synonym)
Neurymenia fraxinifolia f. australis J. Agardh, 1863
Neurymenia fraxinifolia f. madagascariensis J. Agardh, 1863
Dictyomenia fraxinifolia var. madagascariensis (J. Agardh) Dickie, 1874
Neurymenia fraxinifolia var. australis J.Agardh, 1863
(Heterotypic synonym)
Neurymenia fraxinifolia var. madagascarensis J. Agardh, 1863
(Heterotypic synonym)
Dictyomenia fraxinifolia var. madagascarensis (J.Agardh) Dickie, 1874
(Heterotypic synonym)

Common Name (s)
Economic Importance and Threats

Habitat:  Rocky


• Gujarat, Gulf of Kachchh (Lat: 22.6) (Long: 69.5) INDIA
• Tamil Nadu, Kilakarai-Dhanushkodi INDIA (Record: 12/1990-01/1991)
• Tamil Nadu, Off Tuticorin INDIA (Record: 12/1958-05/1959) (Depth: 13-16 mts)
• Gujarat, Gulf of Kachchh INDIA
• Tamil Nadu, Pamban INDIA
• Tamil Nadu, Tuticorin INDIA
• Tamil Nadu, Kanniyakumari INDIA
• Tamil Nadu, Krusadai Island INDIA
• Tamil Nadu, Hare Island INDIA
• Tamil Nadu, Shingle Island INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Maharashtra, Mumbai INDIA
• Tamil Nadu, Krusadai Island INDIA
• Tamil Nadu, Tiruchendur INDIA
• Tamil Nadu, Mandapam INDIA

Literature Source(s)
  • Srinivasan, KS (1969) Phycologia Indica: Icones of Indian marine algae Botanical Survey of India, Calcutta 1 52 pp Available at - NIO, Goa
  • Jassund, E (1977) Marine algae in Tanzania VI Botanica Marina Walter de Gruyter, Berlin 20 405-414 Available at - NIO, Goa
  • Schils, T; Coppejans, E; Verbruggen, H; Clerck, OD and Leliaert, F (2004) The marine flora of Rodrigues (Republic of Mauritius, Indian Ocean): An island with low habitat diversity or one in the process of colonisation? Journal of Natural History Taylor and Francis 38 3059-3076
  • (2006) Algaebase Available at -
  • Subba Rao, NV and Sastry, DRK (2005) Fauna of Marine National Park, Gulf of Kuchchh (Gujarat) ZSI 79 pp Available at - NCL, Pune
  • Bolton, JJ; Oyieke, HA and Gwada, P (2007) The seaweeds of Kenya: Checklist, history of seaweed study, coastal environment, and analysis of seaweed diversity and biogeography South African Journal of Botany 73 76-88 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
  • Taiwan digital archives expansion project Available at -
  • 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
  • Sundaram, KS; Sarvesan, R; Mohamed, KH and Shanbhogue, SL (1969) Catalogue of molluscs, prawns, stomatopods and marine algae in the reference collections of the central marine fisheries research institute Bulletin Of Central Marine Fisheries Research Institute CMFRI, Cochin 9 1-52 Available at -
  • Varma, RP (1960) Flora of the pearl beds off Tuticorin Journal of the Marine Biological Association of India Marine Biological Association of India 2 (2) 221-225 Available at -
  • 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
  • James, PSBR (1987) Distribution of the important Indian marine algae Seaweed research and utilization in India Bulletin Of Central Marine Fisheries Research Institute CMFRI, Cochin 41 100-111 Available at -

Page last updated on:2011-06-22

Back to Search