Laurencia obtusa   (Hudson) J. V. Lamouroux,  1813 (Algae)
Organism information awaits expert curation
Taxonomy
Kingdom:Plantae
Phylum:Rhodophyta
Class: Florideophyceae
Order:Ceramiales
Family:Rhodomelaceae

Description
Color: Purplish pink or brown

Thalli fleshy soft in texture, 10-16 cm high, subcylindrical, erect, alternate, opposite or sub-veritcillate branched, caespitose, with several axes, standing on a discoid base. Ultimate branchlet clavate or obtuse, slightly projected. Medullary cells without lenticular thickening of the walls, cortical cells in a transverse section neither elongated radially nor arranged like palisade; secondary pit-connections present. Tetrasporangia parallel to the axis in the apical portion of the ultimate branchlets.


Synonym (s)
Fucus obtusus Hudson, 1778
(Homotypic synonym)
Sphaerococcus obtusus (Hudson) Wahlenberg, 1826
(Homotypic synonym)
Chondria obtusa (Hudson) C. Agardh, 1817
(Homotypic synonym)

Common Name (s)
Economic Importance and Threats
Importance:  Commercial
(Human food; source of carbohydrates, vitamins-folic and folinic acids, medicine (antibiotic and antifungal) and amino acids; exhibits antimicrobial, mosquito larvicidal and antioxidant properties.)

Ecology
Habitat:  Reef Associated, Rocky, Coastal

Biogeography


• Gujarat, Jalleshwar shore (Lat: 20.9) (Long: 70.37) INDIA
• Tamil Nadu, Gulf of Mannar (Lat: 8.5) (Long: 79) INDIA
• Tamil Nadu, Palk Bay (Lat: 9.5) (Long: 79.25) INDIA
• Gujarat, Okha INDIA
• Gujarat, Veraval INDIA
• Gujarat, Porbandar INDIA
• Gujarat, Dwarka Coast (Lat: 18.17) (Long: 66.17) INDIA
• Lakshadweep, Bangaram (Lat: 10.93) (Long: 72.28) INDIA
• Andaman and Nicobar Islands, Andaman Islands INDIA
• Lakshadweep (Lat: 8) (Long: 75) INDIA
• Tamil Nadu, Krusadai Island, Galaxea reef INDIA (Record: 1940-1950)
• Tamil Nadu, Pudumadam Coast (Lat: 9.25) (Long: 79) INDIA (Record: 07/2007, 08/2007)
• BAHRAIN
• BANGLADESH
• Boronga Islands MYANMAR
• INDIA
• Java INDONESIA
• KUWAIT
• Lakshadweep INDIA
• MADAGASCAR
• MAURITIUS
• PAKISTAN
• SEYCHELLES
• SRI LANKA
• YEMEN
• Tamil Nadu, Athankarai, Vaigaiyaru Estuary INDIA (Record: 1988-1989)
• Andaman and Nicobar Islands, Little Andaman INDIA (Record: 01/1978-04/1978)
• Andaman and Nicobar Islands, Chidiya Tapu INDIA (Record: 01/1978-04/1978)
• Andaman and Nicobar Islands, Neill Island INDIA (Record: 01/1978-04/1978)
• Tamil Nadu, Mandapam INDIA
• Tamil Nadu, Off Tuticorin INDIA (Record: 12/1958-05/1959)
• Lakshadweep, Bassas de Pedro (Lat: 13.5) (Long: 72.58) INDIA (Record: 12/1988) (Depth: 18-70 mts)
• Lakshadweep, Cora Divh (Lat: 13.75) (Long: 72.25) INDIA (Record: 12/1988) (Depth: 18-70 mts)
• Lakshadweep, Sesostris (Lat: 12.91) (Long: 72.08) INDIA (Record: 12/1988) (Depth: 18-70 mts)
• Tamil Nadu, Tuticorin INDIA
• Maharashtra, Mumbai INDIA
• South Coast INDIA
• Gujarat, Dwarka INDIA
• Maharashtra, Angria Bank (Lat: 16.45) (Long: 72.08) INDIA

Literature Source(s)
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Page last updated on:2012-12-14

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