Thalassodendron ciliatum

Thalassodendron ciliatum, the sickle-leaved cymodocea,[2] is a species of plant in the Thalassodendron genus of seagrasses in the family Cymodoceaceae.

Thalassodendron ciliatum
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Alismatales
Family: Cymodoceaceae
Genus: Thalassodendron
Species:
T. ciliatum
Binomial name
Thalassodendron ciliatum
(Forssk.) Hartog
Synonyms[1]

Cymodocea ciliata (Forsk.) Ehr. ex Aschers

Distribution

Thalassodendron ciliatum has a wide distribution throughout the Indo-Pacific region, but has variable abundances throughout its range. This seagrass has been recorded from the western Philippines to Borneo and Singapore, Indonesia, Papua New Guinea, the Caroline Islands, Vanuatu, Australia, India and the Maldives. It is also common from the Gulf of Oman to the Red Sea down to South Africa, Madagascar, the Seychelles, the Comores, the Mascarenes and parts of Malesia and the Solomon Islands.[3][4][5][6]

Thalassodendron ciliatum facts
  1. Thalassodendron ciliatum has a wide distribution throughout the Indo-Pacific region, but has variable abundances throughout its range.
  2. Thalassodendron ciliatum is typically found in the upper part of the sublittoral zone to depths down to 17 meters.
  3. Dense monospecific meadows form in deeper localities on sandy bottoms, coral reefs and sand-covered rocks.
  4. Thalassodendron ciliatum is a fast-growing seagrass; however, it is slow to re-colonize.

This species is susceptible to intense grazing by sea urchins. Anthropogenic stressors on this species include coastal development, pollution, eutrophication, seaweed farming, beach seines and drag net trawling.[3]

Leaf morphology

Red or red striped leaves, Linear and falcate.10–15 cm long and 6-13mm wide with an average width of 10mm, Leaf margins are almost entire with serrations visible towards the tip, Leaf sheath is wide and compressed and measuring 15-30mm long and appears pink in color.[3]

Rhizome, stem and roots

Thick, well-developed rhizome up to 0.5 cm thick with the mat formed by the rhizome approximately 5–10 cm thick. One to two stems are present at every fourth internode along the rhizome, the first stem is either unbranched or slightly branched and 10–65 cm long while The second stem is usually under-developed, if present, and in the form of a bud. Roots occur in groups of 1-5 and range from slightly to highly branched and occur on the internode before the stem.[3]

References
  1. http://www.marinespecies.org/aphia.php?p=taxdetails&id=208920
  2. "Sickle-leaved Cymodocea - Thalassodendron ciliatum - Common names - Encyclopedia of Life". Encyclopedia of Life. Retrieved 2017-02-03.
  3. seagrassrecovery.com date of access Wednesday, December 11, 2013 Archived October 18, 2013, at the Wayback Machine
  4. den Hartog, C. (1970) The sea-grasses of the world. Verhandelingen der Koninklijke Nederlandse Akademie van Wetenschappen, afd, Natuurkunde, Tweede Reeks 59: 1-275
  5. Green E.P and Short F.T. (2003) World Atlas of Seagrasses. Prepared by the UIMEP World Conservation Monitoring Centre, University of California Press, Berkeley, USA
  6. Short, F.T., Coles, R., Waycott, M., Bujang, J.S., Fortes, M., Prathep, A., Kamal, A.H.M., Jagtap, T.G., Bandeira, S., Freeman, A., Erftemeijer, P., La Nafie, Y.A., Vergara, S., Calumpong, H.P. & Makm, I. (2010) Thalassodendron ciliatum. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. . Downloaded November 2012
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