(1977). (2006), however, demonstrated that H. euphlebiaclearly differs from currently established Halophila species. Subclass. Deep Sea Research 31: 919-933. Guiry, M.D. In conclusion, Halophila plants collected from Sri Lanka cluster into three clades by the ITS tree, represented as H. major, H. ovalis complex, and Halophila sp. They should not be confused withseaweeds, and can be easily differentiated by their true roots system as well as veins on their leaves. had also molecularly identified H. stipulacea from the Chilika Lake, India (19°43′ N; 85°19′ E). Halophila Thouars – seagrass. It is commonly referred to a spoon grass or paddle weed. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae ... Halophila species Halophila ovalis Name Homonyms Caulinia ovalis R.Br. [3], The Latin specific epithet halophila refers to salt loving. Role in the habitat: This seagrass is among the favourite food of dugongs so it is also sometimes called Dugong grass. Bed of Johnson's seagrass. (2020). Halophila is a genus of seagrasses in the family Hydrocharitaceae, the tape-grasses. morphological form of H. ovalis. Seagrass are the only group of plants that successfully invaded the marine world, evolving from terrestrial plants. Copyright notice: the information originating from AlgaeBase may not be downloaded or replicated by any means, without the written permission of the copyright owner (generally AlgaeBase). In addition, the samples had no genetic deviation (using nrDNA sequences) from Halophila johnsonii, considered to be an endemic and endangered species in Florida, USA. & Schult.f. The number of its contained species, and its own placement in the order Alismatales, has evolved. They possess many structure to adapt to their marine existence, such asaerenchymaand use of inorganic carbon in water for photosynthesis5. H. ovalis (collected at lagoon, estuary and open sea) and H. ovalis subsp. Br.) Often invades intertidal areas. Aleem, A.A. (1984). Individual leaves grow to about 4" with a rhizome of up to 2 ft long. H. ovalis and H. minor are recorded for Singapore. Recent morphological and molecular studies by Uchimura et al. Approximately 15km2 of seagrass meadows were lost in the southern Bay in 1996 following a 1-in-20 year flood event and there has been no subsequent recovery. The relationship of genetic differentiation and geographic barriers of H. ovalis … Hook.f. Chelonia mydas (green sea turtle) is the largest of all the hard shelled marine turtles, averaging 136 kg (up to 180 kg) in weight and measuring about 1 m in carapace (upper shell) length. Halophila stipulacea is a seagrass which has been introduced to the Mediterranean and more recently the Caribbean most likely through fragments transported by commercial and recreational shipping. Halophila ovalis and its closely-related species belonging to the Hydrocharitaceae are well-known as a complex taxonomic challenge mainly due to their high morphological plasticity. Den Hartog (1970) in his monograph “The sea-grasses of the world” also treated H. euphlebiaas a synonym of H. ovalis. Fair usage of data in scientific publications is permitted. Caulinia ovalis R.Br. Estimates of meadow characteristics (biomass, branching effort, tagged apices and leaf density) were determined from five replicate samples collected by core (96 mm diameter polycarbonate core inserted 15 cm into the sediment and sieved (2 mm) in the field). 208930  Still, seagrasses are restricted by light requirements, an… Range: Indo-Pacific Ocean - widespread. Welcome to Seagrasses in Taiwan. Order. The genus Halophila is comprised of 11 species, several of which have similar morphological features and habitat requirements, including the circumglobal seagrass H. decipiens. Checklist of marine biota of China seas. Port Phillip Bay Taxonomic Toolkit. Hydrocharitaceae – Tape-grass family. Other recent papers using molecular techniques have also failed to clearly differentiate the species. The Atlas of Florida Plants provides a source of information for the distribution of plants within the state and taxonomic information. Native Introduced Native and Introduced. It is widespread in tropical waters, the distribution range also extends to subtropical and temperate waters primarily the Indian and … Hook. It is considered to be “one of the most halophilic eubacteria known.” Its halophilic nature allows for it to be present in conditions that ofte… [1], Louis-Marie Aubert du Petit-Thouars 1806. Proud, A. J. ex Zoll. [1], Unlike other seagrasses, the leaves of some species of Halophila do not have basal sheaths (i.e. Liliopsida – Monocotyledons. Related Links. initiated a molecular genetic survey on the Halophila taxonomy by using the H. stipulacea materials from the Mediterranean Ocean and concluded that H. stipulacea is a distinct Halophila species. These included meadows of Zostera capricorni with some Halophila ovalis inshore, and meadows generally <10% cover of Halophila ovalis, Halophila spinulosa, Halophila decipiens subtidally. H. major is recorded as a new species of the genus Halophila in Sri Lanka, and may have a wide distribution and possibly be misidentified as H. ovalis in the previous literature. Br.) Alismatidae. Several details of both the taxonomy and nomenclature of the species in the Halophila ovalis complex are not acceptably settled in den Hartog's Monograph. f. (TSN 38959). The Marine Benthic Flora of Southern Australia. [Ruiyu] (ed.). Very similar to Halophila ovalis which can be distinguished by having a more rounded leaf, less cross veins on the leaf surface, and flowers arising on the runners. Though the occurrence of H. ovata in the Bay of Bengal was questioned for quite some time, AFLP results confirmed that H. ovalis and H. ovata are distinct species found distributed in 5 different parts of the Bay. ©Anne Hoggett: Halophila ovalis off … Present study reports the first record of occurrence of a seagrass Halophila ovalis, family-Hydrocharitaceae and class-Liliopsida in the Haripur creek of the southern coast of Odisha. Click below on a thumbnail map or name for species profiles. Hook. The plants grow from a single rhizome and prefer shallow, calm protected habitats but can be found as deep as 80 feet. Genetic analysis showed the plants were Halophila ovalis. Phylogenetically, Halorhodospira halophilais associated within the gamma subdivision of the phylum Proteobacteria and is known to be phototrophic and Gram-negative. 2 clade. A species of seagrass in the genus Halophila was found growing in a shallow lagoon on the west shore of Antigua in the Caribbean West Indies. AlgaeBase. Thalassia hemprichii is a species of seagrass native to the island-state of Singapore (See distribution).It is considered relatively rare in the country, and listed as “Critically Endangered” in the Singapore Red List Databook.However, T. hemprichii in an important component of mature seagrass habitats due to its biological characteristics. World-wide electronic publication, National University of Ireland, Galway., This service is powered by LifeWatch Belgium, https://data.aad.gov.au/aadc/biodiversity/, To Biodiversity Heritage Library (130 publications), To Biodiversity Heritage Library (41 publications), To Biological Information System for Marine Life (BISMaL), To GenBank (156 nucleotides; 46 proteins). Liu, J.Y. 120 species: widely distributed in tropical and subtropical regions of the world; 3 genera and 5 specie Enhalus acoroides, Thalassia hemprichii, Halophila decipiens, Halophila ovalis, Halophila stipulacea in … (urn:lsid:marinespecies.org:taxname:208930). Halophila ovalis and its closely-related species belonging to the Hydrocharitaceae are well-known as a complex taxonomic challenge mainly due to their high morphological plasticity. Halophila baillonis Florida Keys seagrass ... Halophila ovalis seagrass Halophila ovata seagrass Legal Status. The shell varies in color from green, grey, brown or black, often with splotches or … Distribution and Ecology of Seagrass communities in the Western Indian Ocean. Entrez: PubMed: Nucleotide: Protein: Genome: Structure: PMC: ... Halophila ovalis Halophila ovalis subsp. The Plants Database includes the following 8 species of Halophila . Schult. Halophila ovalis Tasman, 1858 Common names seagrass in English 卵葉鹽藻 in language. Halophila ovalis, commonly known as paddle weed, spoon grass or dugong grass, is a seagrass in the family Hydrocharitaceae. An ecological survey of the D' Aguilar Peninsula, Hong Kong, with recommendations for its future management. Mphil thesis. Data in a recent paper by Short, Moore, and Peyton (2010) indicate that H. johnsonii Eisman (TSN 502870) is not clearly distinguishable from Halophila ovalis (R. Natural Environment: Inhabits soft sand and mud substrates in coastal and estuarine areas of the tropics and subtropics where it can be found as deep as 100 feet (30 m). Main information sources: Womersley, H.B.S., (1984-2003). The website also provides access to a database and images of herbarium specimens found at the University of South Florida and other herbaria. Halophila is a genus of seagrasses in the family Hydrocharitaceae, the tape-grasses. f. is widely distributed in the tropical Indo‐West Pacific and is also found in some areas outsides the tropics (). Seagrass are true flowering plants living in marine ecosystems. It is a small herbaceous plant that occurs in sea beds and other saltwater environments in the Indo-Pacific. [4], Species accepted by the Kew Botanical Garden. What is … Scientific Details. the bases of the leaves do not wrap around the stem to form a sheath). The family contains eighteen genera of which Thalassia, Halophila, and Enhalus are fully marine and ca. Bibliographic References This shall be the future home of Seagrasses in Taiwan where participants will edit and maintain their classification, upload images, maintain bibliographic resources, among other activities. Homonyms Halophila ovalis (R.Br.) Wetland Status. Lemnopsis Zipp. Nguyen et al. It was described as a genus in 1806. The seagrass leaf provides a … It was described as a genus in 1806. This warrants more studies at … Family. (urn:lsid:marinespecies.org:taxname:208930). Halophila madagascarensis Doty & B.C.Stone, 1967 Kernera ovalis (R.Br.) THE NCBI Taxonomy database allows browsing of the taxonomy tree, which contains a classification of organisms. Genus. Halophila ovalis is a beautiful species of sea grass native to Asia and the South Pacific. ©Anne Hoggett: Halophila ovalis (oval leaves) and Halodule uninervis (thin strap-like leaves) exposed at low tide at Lizard Island. Published in AlgaeBase (from synonym Caulinia ovalis R.Brown, 1810) Published in AlgaeBase (from synonym Halophila madagascarensis Doty & B.C.Stone, 1967) To Barcode of Life (45 barcodes) To Biodiversity Heritage Library (130 publications) To Biodiversity Heritage Library (41 publications) (from synonym Caulinia ovalis R.Brown, 1810) In this guide, seagrass taxonomy follows den Hartog (1970) and Lanyon (1986) because Halodule pinifolia is distinguished from Halodule uninervis, and Halophila ovata is distinguished from Halophila ovalis. (2008). Interpreting Wetland Status. Although Waycott, et al., (2004) noted genetic similarities between these related Studying only herbarium material of this group might lead to Halophila ovalis is the dominant seagrass growing in both estuaries. Studies suggest that Halophila ovalis can recover rapidly from grazing by dugong. Genera Nova Madagascariensia 2, "World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew", "Plants Profile for Halophila (seagrass)", Western Australia Seagrass web page for Halophila, https://en.wikipedia.org/w/index.php?title=Halophila&oldid=942902930, Creative Commons Attribution-ShareAlike License, This page was last edited on 27 February 2020, at 16:09. he called Halophila ovata, and left no doubt as to its relationship with the genera now placed in the family Hydrocharitaceae. Waycott et al. & Guiry, G.M. Halophila ovalis Name Synonyms Caulina ovalis R.Br. [2] The number of its contained species, and its own placement in the order Alismatales, has evolved. Halorhodospira halophila (formerly Ectothiorhodospira halophila) is an extremely halophilic purple bacterium that was formally a member of the Ectothiorhodospira genus until recently reclassified. The University of Hong Kong. It is widespread in tropical waters, the distribution range also extends to subtropical and temperate waters primarily the Indian and Pacific Oceans but also the Mediterranean and Caribbean Seas and the Gulf of Mexico. China Science Press. 1267 pp. Seagrasses are clonal plants that may form dense beds or patches in the littoral zone of tropical and temperate seas, where they provide habitats and food for organisms and affect sedimentary and biogeochemical processes ().The dioecious seagrass Halophila ovalis (R. Caulinia ovalis R.Br. ramamurthiana are genetically different (Nguyen et al., 2013). Hydrocharitales. Not have basal sheaths ( i.e the Chilika Lake, India ( 19°43′ N ; E... 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