Potamogeton crispus grows entirely as a submersed aquatic plant with no floating leaves. Updated for itis by the flora of north america expertise network, in connection with an update for usda plants 20072010 reference for. This article is from journal of environmental health science and engineering, volume 11. Indigenous to new zealand where it has been collected from the north, south and chatham islands. This grass looking plant is native to the united states. This page was last edited on 8 september 2011, at 08. There are no related plants for species potamogeton pectinatus. The atlas of florida plants provides a source of information for the distribution of plants within the state and taxonomic information. Two common names that are in use include fennelleaf. Potamogetonaceae of north america update, database version 2010 acquired. Potamogeton pectinatus is constitutively incapable of synthesizing ethylene and lacks 1aminocyclopropane1carboxylic acid oxidase. It has displaced potamogeton pectinatus in several of these marshes. The intraspecific variation of the phenoplastic species potamogeton pectinatus l. This plant was found in the shallow water of a pond in champaign, illinois.
Stuckenia pectinata is an extremely polymorphic species with numerous forms depending on geographical and ecological circumstances. Spreading leaves resemble a fan with an overall bushy appearance. Pdf the germination of potamogeton pectinatus tubers. I think this plant looks more grass like than the other aquatic plants often referred to as grass like. Pdf bioaccumulation of heavy metals by the aquatic plants. Potamogeton pectinatus fennelleaved pondweed pfaf plant database.
No critical study on its worldwide variation seems to have been done. Stuckenia pectinata is an extremely polymorphic species with numerous forms depending on geographical and. Development of potamogeton pectinatus in heated water of the. The correct name for this species is grasswrack pondweed, potamogeton compressus l. Saga describes the seasonal development of potamogeton pectinatus l. The species is hermaphrodite has both male and female organs and is pollinated by water. Download this pdf file the pdf file you selected should load here if your web browser has a pdf reader plugin installed for example, a recent version of adobe acrobat reader. Large image for potamogeton pectinatus usda plants. This plant is often referred to as potamogeton pectinatus.
Effect of sediment structure and nutrients on the growth of potamogeton. The website also provides access to a database and images of herbarium specimens found at the university of south florida and other herbaria. Groenlandia differs from potamogeton in the following aspects. Graduate thesis or dissertation the reproduction and. The rate of plant development and individual plant size. Ris dublin core abstract we determined net photosynthesis and respiration rates for sago pondweed potamogeton pectinatus exposed to various concentrations of 11 herbicides widely used in maryland during the past decade. Isosyntype of potamogeton australis philippi, 1891 family potamogetonaceae. Leaves are alternate, 410 cm in length and 510 mm wide. Development of potamogeton pectinatus in heated water of.
Potamogeton pectinatus ufifas center for aquatic and. Potamogeton is a genus of aquatic, mostly freshwater, plants of the family potamogetonaceae. Files are available under licenses specified on their description page. The pdf file you selected should load here if your web browser has a pdf reader plugin installed for example, a recent version of adobe acrobat reader if you would like more information about how to print, save, and work with pdfs, highwire press provides a helpful frequently asked questions about pdfs alternatively, you can download the pdf file directly to your computer. Because of the lack of expert attention and failure to apply adequate approaches, potamogeton hybrids are in many regions of the world neglected and remain undetected kaplan et al. Net photosynthesis and respiration were determined by measuring changes in the. Stuckenia striata is widespread, although not common, in the western united states, extending southward into argentina and chile. Photosynthetic and other solutions provided by three submerged aquatic macro.
Sago pondweed can be removed by raking or seining it from the pond, but will reestablish from any remaining roots and seeds. An illustrated flora of the northern united states, canada and the british possessions. Potamogeton pectinatus brasca delle lagune flora italiana. This page was last edited on 15 december 2014, at 16.
Les and philbrick 1993 considered hybridization a dogmatic attribute of the genus not supported by convincing evidence. Frequent treatments of sago pondweed foliage with aromatic solvent greatly reduced the number of tubers in the substratum of an irrigation canal. Leaves are conspicuously toothed along leaf margins, sessile attached directly to the stem, narrowly oblong, undulate wavy like lasagna noodles with a conspicuous midvein. Schedefonteinkruid potamogeton pectinatus habitat spatial. Net photosynthesis and respiration of sago pondweed.
A notable feature is that elongation by the terminal shoot of tubers is strongly promoted by anaerobic conditions. It has been found in jasmine oil 26 and in the freshwater aquatic plant potamogeton pectinatus. Potamogeton pectinatus is an aquatic monocot that overwinters as small tubers in the beds of lakes and rivers where oxygen supply can be severely limited or extinguished. Nov 18, 2019 sago pondweed potamogeton pectinatus leaves are stiff, narrow and threadlike. Sago pondweed potamogeton pectinatus the grasslike sago pondweed is a submersed plant that grows from a creeping rhizome. Potamogeton definition of potamogeton by the free dictionary.
The fine leaves of potamogeton pectinatus dominate this aquatic community and it is the only constant species. Considerable quantities of nutrient rich rhone water are pumped into these marshes, leading to lower salinities and a higher biomass. Nine experiments were conducted during 1964 and 1965 to study the methods of reproduction and mode of spread of sago pondweed potamogeton pectinatus in irrigation systems. Graduate thesis or dissertation the reproduction and mode. A cosmopolitan species known from throughout the world. Two common names that are in use include fennelleaf pondweed and comb pondweed. Potamogeton pectinatus, commonly called sago pondweed or fennel pondweed, and sometimes called ribbon weed, is a cosmopolitan water plant species that grows in fresh and brackish water on all continents except antarctica description. Early growth characteristics of potamogeton pectinatus l. Pdf cadmium accumulation and its phytotoxicity in potamogeton.
Potamogetonaceae medicinal use of fennelleaved pondweed. Potamogeton latifolius no combination in stuckenia has been proposed was accepted by r. Fertilization to produce a phytoplankton or algal bloom to prevent the establishment of most bottom rooted aquatic weeds. Potamogeton pectinatus is an important member of many aquatic communities because it appears to be a preferred food item for waterfowl martin and uhler, 1939 and because its abundant growth may interfere with recreational and agricultural water uses. Density control in potamogeton perfoliatus l and potamogeton pectinatus l. Tiny green flower appears on a spike along with nutlets above the water surface when mature. Not like lawn grass, but like crab grass growing wild, with lots of blades coming off a main stock. Potamogeton synonyms, potamogeton pronunciation, potamogeton translation, english dictionary definition of potamogeton. Genus potamogeton can be marginal or deep water aquatic perennials, with translucent submerged and leathery floating leaves, and small spikes of inconspicuous flowers held below or just above water level.
If you would like more information about how to print, save, and work with pdfs, highwire press provides a helpful frequently asked questions about pdfs. Most are known by the common name pondweed, although many unrelated plants may be called pondweed, such as canadian pondweed elodea canadensis. Download a highresolution jpeg image of potamogeton pectinatus 1027 kb time generated. The record derives from wcsp data supplied on 20120323 which reports it as a synonym record 308677 with original publication details. The impact of cl concentrations between 0 and 6 g l 1 on the biomass production of both species was tested. Department of agriculture agricultural research service. Stems branched with leaves alternately arranged on the stem. The different factors likely to influence the distribution of p. Usda nrcs kansas plant materials center, manhattan, kansas. A large image of potamogeton pectinatus from the usda plants database. Pdf early growth characteristics of potamogeton pectinatus l. Abstractthe effect of density on the growth, recruitment of new ramets, biomass allocation, rhizome spacer length and rhizome branching of the submersed macrophyte potamogeton perfoliatus l. Sago pondweed grows in fresh, brackish, and saline waters throughout the state. This also produces a strong food chain for the pond fish.
The genus potamogeton contains approximately 100 species flora of north america editorial committee, 1993 and is cosmopolitan. We determined net photosynthesis and respiration rates for sago pondweed potamogeton pectinatus exposed to various concentrations of 11 herbicides widely used in maryland during the past decade. Hutchinson, 1975 relies more heavily on tubers for perennation than seeds yeo, 1965. Potamogeton pectinatus fennelleaved pondweed pfaf plant. Potamogeton pectinatus is a perennial at a fast rate.
Pronunciation of potamogeton with 1 audio pronunciation, 2 synonyms, 1 translation, 1 sentence and more for potamogeton. Potamogeton pectinatus is a widely distributed submersed aquatic macrophyte which like many aquatic plants sculthorpe, 1967. Plant fact sheet sago pondweed stuckenia pectinata l. Except for the polar regions and pacific islands, this species of pondweed occurs worldwide. Anoxia tolerance in the aquatic monocot potamogeton. Stuckenia pectinata new zealand plant conservation network. A decoction of the plant is used in the treatment of a. All structured data from the file and property namespaces is available under the creative commons cc0 license. The long slender leaves of sago pondweed tend to form dense fanlike aggregations that lie a little below the water surface. To the left is a photo of the first potamogeton i was given. Click on a scientific name below to expand it in the plants classification report. Because sago pondweed often forms colonies of dense foliage, it provides good cover for many kinds of small aquatic wildlife. Pdf the decline and recovery of populations of potamogeton. A comparison between the biomass production of potamogeton.
Potamogeton crispus, of order najadales, family potamogetonaceae, is a monocotyledonous forb first described by linnaeus in 1753. Plants profile for stuckenia pectinata sago pondweed. Molecular identification of hybrids from a former hot spot of. Each plant profile in the database contains nomenclature info, botanical data, plant description, large, highresolution pictures, images and photos of the. Potamogeton pectinatus, commonly called sago pondweed or fennel pondweed, and sometimes called ribbon weed, is a cosmopolitan water plant species that grows in fresh and brackish water on all continents except antarctica.
Tuber size and planting depth influence growth of potamogeton. The genus name means river neighbor, originating from the greek potamos river and geiton neighbor. The rate of individual development and biomass of two subpopulations ofpotamogeton pectinatus were measured in the heated and cool zones of the patnowskie lake in central poland. Clonal architecture and patch dynamics of potamogeton perfoliatus. Sago pondweed potamogeton pectinatus leaves are stiff, narrow and threadlike. Since the extension of the irrigation system, the water regime of most of the permanent marshes of the camargue southern france have been intensively controlled. Bioaccumulation of heavy metals by the aquatic plants potamogeton pectinatus l.
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