Enteromorpha intestinalis [Status Unaccepted]   (Linnaeus) Nees,  1820 (Algae)
Organism information awaits expert curation
Taxonomy
Kingdom:Plantae
Phylum:Chlorophyta
Class: Ulvophyceae
Order:Ulvales
Family:Ulvaceae

Description
Color: Green

Thallus form and type: tubular and contorted

Substratum: Rocks, mudflats in mangrove environment and pebbles

Occurrence: Mid littoral zone in brackish water habitats (river estuaries)

Length: Varying from 1-25 cm

Plants usually in groups; at first attached by basal rhizoidal portion, later free floating. Thallus unbranched, tubular and looks like a sac or flattened intestine, filled with gas; constricted at various loci;attached to the substratum by a definite disc-shaped hold fast cell. Cells in surface view rounded or polygonal, arranged irregularly, diameter 10-20 μm; in section thallus 23-26 μm thick, cells 16.65-20 μm long, 13.2-15 μm broad, inner cuticle 6.6 μm thick, outer cuticle 1.6-3.3 μm thick. Cell wall distinctly stratified; chloroplast lies against the lower side of the cell. Chloroplast complete, cup shaped, pyrenoids 2.

“Collinsiella” stage, a phase of sexual reproduction is observd in Enteromorpha intestinalis. This consists of pyriform cells each with a single laminate chloroplast at the distal end of the cell. The cell at maturity releases pear shaped biflagellate gametes which later fuse to form quadriflagellate zygote. Reproduction is general for group asexual reproduction may be by fission (splitting), fragmentation or by zoospores (motile spores). Sexual reproduction may be isogamous (gametes both motile and same size); anisogamous (both motile and different sizes-female bigger) or oogamous (female non-motile and egglike; male motile).


Synonym (s)
Ulva intestinalis Linnaeus, 1753

Common Name (s)
• Gut Weed (English)
Economic Importance and Threats
Importance:  Commercial
(Bioactive, Edible, used for human consumption. The seaweed meal of this alga along with other green algae algae used as poultry feed in some countries.)

Ecology
Habitat:  Estuarine, Rocky, Coastal
Trophic Level:  Producer

Biogeography


• Tamil Nadu, Kodikkarai (Lat: 10.3) (Long: 79.86) INDIA (Record: 01/2006-05/2006)
• Tamil Nadu, Mutupet Lagoon (Lat: 10.76) (Long: 79.85) INDIA (Record: 01/2006-05/2006)
• Maharashtra, Mumbai (Lat: 18.98) (Long: 72.83) INDIA
• Tamil Nadu, Parangipettai INDIA
• Tamil Nadu, Arichandran Aru INDIA (Record: 1988-1989)
• Tamil Nadu, Vettaikaran Iruppu, Arichandran Aru INDIA (Record: 1988-1989)
• Tamil Nadu, Gulf of Mannar, Valimunai INDIA (Record: 2003)
• Tamil Nadu, Mandapam INDIA
• Tamil Nadu, Pamban INDIA
• Tamil Nadu, Rameswaram INDIA
• Kerala, Tangasseri INDIA (Record: 06/2003-05/2004)
• Kerala, Thirumullavaram INDIA (Record: 06/2003-05/2004)
• Kerala, Neendakara INDIA (Record: 06/2003-05/2004)
• Kerala, Ashtamudi Estuary INDIA (Record: 06/2003-05/2004)
• Goa, Anjuna INDIA
• Andaman and Nicobar Islands, Andaman Islands INDIA
• BAHRAIN
• BANGLADESH
• INDIA
• Java INDONESIA
• KUWAIT
• Lakshadweep INDIA
• PAKISTAN
• SEYCHELLES
• SOUTH AFRICA
• SRI LANKA
• YEMEN
• Kerala, Kayankulam INDIA (Record: 1990-1991)
• Tamil Nadu, Vellar Estuary INDIA (Record: 1988-1989)
• Tamil Nadu, Thirumullaivasal Uppanar Estuary INDIA (Record: 1988-1989, 1996)
• Tamil Nadu, Velanganni, Vellaiyar Estuary INDIA (Record: 1988-1989)
• Tamil Nadu, Pushpavanam, Vettar Estuary INDIA (Record: 1988-1989)
• Tamil Nadu, Mutupet, Koraiyaru Estuary INDIA (Record: 1988-1989)
• Gujarat, Saurashtra Coast INDIA
• Tamil Nadu, Cuddalore, Uppanar Estuary INDIA (Record: 1996)
• Tamil Nadu, Alantalai-Manapad INDIA (Record: 03/1988)
• Tamil Nadu, Vembar-Nallatanni Tivu INDIA (Record: 03/1988)
• Tamil Nadu, Valinokkam-Kilakarai INDIA (Record: 01/1989)
• Tamil Nadu, Manapad-Kanniyakumari INDIA (Record: 03/1990)
• Gujarat, Gulf of Kachchh INDIA
• West Bengal, Hugli INDIA
• West Bengal, Salt Lake INDIA
• Orissa, Chilika Lake INDIA
• Tamil Nadu, Krusadai Island INDIA
• Goa INDIA
• Andhra Pradesh, Waltair Coast INDIA
• West Coast INDIA
• Gujarat, Gopnath INDIA
• Maharashtra INDIA
• Gujarat, Okha INDIA
• Kerala INDIA
• Pondicherry INDIA
• Tamil Nadu, Mutupet Estuary INDIA
• Tamil Nadu, Kalpakkam INDIA
• Lakshadweep, Chettalatt INDIA
• Lakshadweep, Kadamatt INDIA
• Lakshadweep, Amini INDIA
• Kerala INDIA (Record: 08/1986-05/1987)
• Lakshadweep, Kadamatt Island (Lat: 11.18) (Long: 72.76) INDIA
• Lakshadweep, Kadamatt Island (Lat: 11.25) (Long: 72.79) INDIA
• Kerala, Alleppey INDIA
• Tamil Nadu, Mandapam INDIA
• Karnataka, Karwar INDIA (Record: 01/1985-12/1985)
• Karnataka, Honavar INDIA (Record: 01/1985-12/1985)
• Tamil Nadu, Muthupet INDIA
• Andaman and Nicobar Islands INDIA
• Karnataka INDIA (Record: 2005-2006)
• Andhra Pradesh, Visakhapatnam INDIA
• Gujarat, Porbandar (Lat: 21.63) (Long: 69.6) INDIA

Literature Source(s)
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Page last updated on:2012-11-23

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