It is easy to assemble, operate, transport and store. Etymology the generic name ruppia is named after heinrich bernhard ruppius 16881719, german botanist and author of flora jenesis. While oil can have direct impacts on primary producers through toxicity and shading, it. Comprehensive phylogenetic analyses of the ruppia maritima complex focusing on taxa from the mediterranean. The new york flora atlas is a source of information for the distribution of plants within the state, as well as information on plant habitats, associated ecological communities, and taxonomy. Authors universally treat the coastal, marine form as r. The website also provides access to a database and images of herbarium specimens found at the university of south florida and other herbaria. A weed report from the book weed control in natural areas in the western united states this weed report does not constitute a formal recommendation. Assessing the impacts of salinity and nutrient stress to. The morphology of ruppia maritima by graves, arthur harmount, 1879. Salinity effects were tested on rhizome growth and rooting of ruppia maritima l. Transactions of the nebraska academy of sciences and affiliated societies. Ruppia maritima belongs to ruppiaceae or the ditchgrass family and is the only species in the genus native to the hawaiian islands. Aquatic and wetland plants of india pdf free download.
Pdf effects of salinity changes on growth of ruppia maritima l. Ruppia maritima is a species of aquatic plant known by the common names widgeongrass, ditchgrass and tassel pondweed. High amounts of the main compound chicoric acid ca. Despite its scientific name, it is not a marine plant. This dissertation is brought to you for free and open access by the student scholarship at. Permission is granted to copy, distribute andor modify this image under the terms of the gnu free documentation license, version 1. Flora batava permission granted to use under gfdl by kurt stueber. An ruppia maritima in nahilalakip ha genus nga ruppia, ngan familia nga ruppiaceae. Shortterm spatial variations in the beds of ruppia maritima. Department of agriculture agricultural research service. In greenwich bay, a highly developed embayment within narragansett bay, ruppia maritima has colonized an area on the northern shore historically dominated by zostera marina. Seeds can remain viable in the sediment for up to three years kantrud 1991. Molecular analyses revealed the presence of 16 haplotypes in the mediterranean region, one corresponding to ruppia maritima l. Characterization of polyphenolic content in the aquatic.
Dawesecotypic differentiation in populations of ruppia maritima l germinated from seeds and cultured under algaefree laboratory conditions j. Except for the inflorescence, the plant is completely submerged in the water. Taxonomic status of the plant is uncertain, especially in north america. Specimens of ruppia from all eleven nebraska counties in which it is known fall into two groups. Widgeon grass has the widest known salinity tolerance of. Cpr ruppia maritima university of southern mississippi. M y illustration shows a plant with long spirally wound fruitbeating stalks which would usually be called ruppia cirrhosa. Nutritional requirements of the submerged angio sperm ruppia. This page was last edited on 22 november 2014, at 06. Ruppia article about ruppia by the free dictionary. An illustrated flora of the northern united states, canada and the british possessions. With nounverb tables for the different cases and tenses links to audio pronunciation and relevant forum discussions free vocabulary trainer. Ruppia maritima initially has rhizomes rooted at nodes in the bottom muck, but plants become free and form submersed mats entangled with green algae. Physiological effects of shortterm salinity changes on ruppia maritima.
Science and technology, general hurricanes physiological aspects surveys. The small, bisexual flowers are in a twoflowered terminal spike. Ruppia maritima is a species of aquatic plant known by the common names beaked tasselweed, widgeon grass, ditchgrass and tassel pondweed. Files are available under licenses specified on their description page. Acidsoluble or dissolved carbohydrates including simple sugars, oligosaccha rides, polysaccharides, and derivatives having a free or potentially free radical. Thus, grass shrimp may play a pivotal trophic role in enhancing sav habitat as either top. Wooramel river 2 words exact match in snippet view article find links to article estuary that has been mostly unmodified. The rise of ruppia in seagrass beds 3 characteristics of ruppia maritima wigeongrass, r. What has been observed at malibu lagoon recorded with images and.
Distribution, habitats, and taxonomy of ruppia maritima l. Seasonal variation of the quantitative content in ruppia cirrhosa was examined. Cultures were maintained in a base medium consisting of synthetic seawater supplemented with halfstrength murashige and skoog salts and 1% sucrose at ph 5. Unfortunately, the plant no longer inhabits vast areas disturbed by human activities. Ruppia, also known as the widgeonweeds, ditch grasses or widgeon grass, is the only extant genus in the family ruppiaceae, with eight known species.
Ruppia maritima in the germplasm resources information network grin, u. Seeds of ruppia maritima have a hard durable seed coat and form a persistent seed bank in the sediments under surrounding parent plants. Germination and algalfree laboratory culture of widgeon grass. Herein, the polyphenolic content in extracts of ruppia cirrhosa petagna grande and ruppia maritima l. Ruppia a genus of aquatic perennial herbs of the family ruppiaceae formerly included in the family potamogetonaceae. The atlas of florida plants provides a source of information for the distribution of plants. It has been used in mexico for several years without breaking, at depths between 0. The generic name ruppia was dedicated by linnaeus to the german botanist heinrich bernhard ruppius 16891719 and the specific name.
In three serial 4 week experiments, production of new rhizome nodes was greatest in half strength murashige and skoog media prepared with distilled water 0%o or 5%o artificial seawater, compared to growth in media made with 10, 15 and 20%o artificial seawater. Oct 27, 2016 healthy seagrass beds were once found throughout the shallow areas of narragansett bay, r. Oil spills, such as the deepwater horizon spill in the gulf of mexico, have the potential to dramatically alter coastal food webs through a variety of mechanisms. Plants profile for ruppia cirrhosa spiral ditchgrass. Ruppiaceae of north america update, database version 2011 acquired. Ruppia maritima has a wide salinity tolerance and occurs in fresh water, brackish water, marine environments and it can also be abundant in hypo and hypersaline conditions. He includes only ruppia maritima and regards ruppia cirrhosa as a synonym p. All structured data from the file and property namespaces is available under the creative commons cc0 license. Updated for itis by the flora of north america expertise network, in connection with an update for usda plants 20072010 reference for. Con cool spring and fall months in sediments low in free versely, in. This article is brought to you for free and open access by the nebraska academy of sciences at. Pollen ontogeny in ruppia alismatidae international. Inflorescences of ruppia maritima were field collected and anthers prepared for microscopy. In vitro studies of the submerged angiosperm ruppia maritima.
The morphology of ruppia maritima by graves, arthur harmount, 1879publication date 1908 topics ruppia maritima publisher new haven, conn. For this reason, this species is often propagated for restoration projects, either from seed or by micropropagation bird et al. Anthers and developing pollen grains at the sporogenous, microspore mother cell, tetrad, free microspore, and mature grain stages were studied using combined lm, sem, and tem. Healthy seagrass beds were once found throughout the shallow areas of narragansett bay, r. Ruppia maritima wikispecies wikispecies, free species. Pdf towards a better understanding of the ruppia maritima. Ruppia maritima ruppia marittima o fieno di mare flora.
Ecology of ruppiamaritima l in new hampshire usa tidal marshes by. With nounverb tables for the different cases and tenses links to audio pronunciation and. Shortterm spatial variations in the beds of ruppia maritima ruppiaceae and halodule wrightii cymodoceaceae at grand bay national estuarine research reserve, mississippi, usa. In these habitats ruppia meadows play an important structural and functional role. Germination and algalfree laboratory culture of widgeon grass,ruppia maritima. A methodology for the isolation ofruppia maritima l. These are aquatic plants widespread over much of the world. The content of chicoric acid was twofold more in ruppia maritima than in ruppia cirrhosa. Wildflowers, nps, samo nra ruppia maritima detail page. Each plant profile in the database contains nomenclature info, botanical data, plant description, large, highresolution pictures, images and photos of the plants and its parts, detailed information such as uses, history, habitat, and medicinal. The morphology of ruppia maritima internet archive. First record of ruppia maritima in west africa supported by. Seeds were surface sterilized with 96% ethyl alcohol of ph 2, kept for several months in cold storage at 7c, and subsequently transferred to 25c to induce germination. In addition, eight flavonoids, namely the 3oglucopyranosides and 3ogalactopyranosides, as well as malonylated 3oglycosides of.
Dawesecotypic differentiation in populations of ruppia maritima l germinated from seeds and cultured under algae free laboratory conditions j. Download fulltext pdf restoration potential of ruppia maritima and potamogeton perfoliatus by seed in the midchesapeake bay article pdf available july 2004 with 60 reads. The atlas of florida plants provides a source of information for the distribution of plants within the state and taxonomic information. Germination and algalfree laboratory culture of widgeon.
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