Pocockiella variegata   (J.V. Lamouroux) Papenfuss,  1943 (Algae)
Organism information awaits expert curation
Class: Ochrophyta incertae sedis

Image copyrights: NIO, Goa

Size: Height 10-15 cm; breadth 4-9 cm; young plants 3-5 cm across.

Color: Dark brown

Plants prostrate, circular to fan-shaped when young. Older thalli erect and fan-shaped. Prostrate thalli possessing stipe formed of rhizoids. Upper portion entire or more or less lobate with variegated markings on concentric zones. Thallus composed of:
(a) An upper epidermis consisting of thin-walled, palisade-like cells, divided by vertical walls;
(b) Below this a tissue composed of 3-4 layers consisting of rather thick-walled cells, more or less isodiametric in form;
(c) Then a middle or medullary layer consisting of large, more or less thin-walled, rectangular cells; and
(d) Finally, in the lower side a tissue made up of four layers, consisting of thick-walled quadratic cells. The thallus on the whole 170-200 µ thick.
Reproductive bodies distributed on both sides of the lobes. Oogonia occurring singly or in small groups, being pear-shaped.

Synonym (s)
Ralfsia ceylanica Harvey, Barton 1903a
Dictyota variegata Lamouroux 1809a
Zonaria variegata (Lamour.) C. Agardh 1817
Padina variegata (Lamour.) Gaillon 1828
Orthosorus variegatus (Lamour.)Trevisan 1849
Spatoglossum variegatum (Lamour.) Kutzing 1849
Gymnosporus variegatus (Lamour.) J. Agardh 1894
Zonaria collaris C. Agardh 1817
Gymnosporus collaris (C. Ag.) J. Agardh 1894
Stypopodium fissum Kutzing 1859
Stypopodium lacinatum Kutzing 1859
Zonaria latissima Kutzing 1859
Zonaria obscura Dickie 1877
Zonaria isselii Piccone and Grunow 1884
Zonaria parvula var. duplex Heydrich 1892
Aglaozonia canariensis Sauvageau 1905
Aglaozonia pacifica Setchell 1926

Common Name (s)
Economic Importance and Threats

Habitat:  Coastal


• Tamil Nadu, Pamban (Lat: 9.25) (Long: 79.33) INDIA
• Gujarat, Dwarka Coast (Lat: 18.17) (Long: 66.17) INDIA
• Lakshadweep INDIA
• Gujarat, Dwarka INDIA
• Tamil Nadu, Pamban INDIA
• Tamil Nadu, Tuticorin INDIA
• Tamil Nadu, Krusadai Island INDIA
• Tamil Nadu, Idinthakarai (Lat: 8.16) (Long: 77.71) INDIA (Record: 06/1992-05/1993)
• Tamil Nadu, Idinthakarai INDIA
• Gujarat, Okha INDIA
• Gujarat, Gulf of Kachchh INDIA
• Tamil Nadu, Mandapam INDIA
• Karnataka, Karwar INDIA
• Andhra Pradesh, Vishakhapatnam INDIA

Literature Source(s)
  • Subbaramaiah, K; Nair, MRP and Krishnamurthy, V (1977) Distribution pattern of marine algae on the shore of Pamban Seaweed Research and Utilization Seaweed Research and utilization Association, Marine fisheries 623520, Tamilnadu, India 2 74-77 Available at - NIO, Goa
  • (2006) Algaebase Available at - http://www.algaebase.org/
  • Jassund, E (1977) Marine algae in Tanzania VIII Botanica Marina Walter de Gruyter, Berlin 20 509-520 Available at - NIO, Goa
  • Dhargalkar, VK and Deshmukhe, GV (1996) Subtidal marine algae of the Dwaraka coast (Gujarat) Indian Journal of Marine Sciences National Institute of Sciences Communication, CSIR, New Delhi 25(4) 297-301 Available at - NIO, RC, Kochi
  • Jagtap, TG (1987) Distribution of algae, seagrasses and coral communities from Lakshadweep islands, eastern Arabian Sea Indian Journal of Marine Sciences Publications and Information Directorate, CSIR, New Delhi in association with The Indian National Science Academy, New Delhi 16(4) 256-260 Available at - NIO, RC, Kochi
  • Saad, MAH (1984) Proceedings of the Symposium on Coral Reef environment of the Red Sea King Abdulaziz University, Saudi Arabia 1-681 Available at - NIO, RC Kochi
  • DigiMus2.0 – The Software for Digital Museum of Seaweed Specimen Records Available at - http://www.niobioinformatics.org/digimus.php
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Mishra, JN (1966) Phaeophyceae in India ICAR 203 pp Available at - NIO, Goa
  • Selvaraj, R and Selvaraj, R (1997) Distribution and diversity of seaweeds in Tiruchendur and Idinthakarai Seaweed Research and Utilisation Seaweed Research and Utilisation Association 19(1-2) 115-123 Available at - NIO, Goa
  • Kaliaperumal, N and Pandian, G (1984) Marine algal flora from some localities of south Tamil nadu coast Journal of the marine biological association of India The marine biological association of India 26(1&2) 159-164 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 - http://eprints.cmfri.org.in/8209/1/Bulletin_No_41.pdf

Page last updated on:2011-06-20

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