Potamogeton lucens

new search

Habitus and growth type

  • Height [m]: 0.4–2
    ?
  • Growth form: clonal herb
    ?
  • Life form: hydrophyte
    ?
  • Life strategy (Pierce method based on leaf traits): R/CR
    ?
  • Life strategy (Pierce method, C-score): 31 %
    ?
  • Life strategy (Pierce method, S-score): 6.6 %
    ?
  • Life strategy (Pierce method, R-score): 62.4 %
    ?

Leaf

  • Leaf presence and metamorphosis: leaves present, not modified
    ?
  • Leaf arrangement (phyllotaxis): alternate
    ?
  • Leaf shape: simple – entire
    ?
  • Stipules: present
    ?
  • Petiole: present
    ?
  • Leaf life span: summer green
    ?
  • Leaf anatomy: hydromorphic
    ?

Flower

  • Flowering period [month]: June–August
    ?
  • Flowering phase: 6 Cornus sanguinea-Melica uniflora (start of early summer)
    ?
  • Flower colour: green
    ?
  • Flower symmetry: actinomorphic
    ?
  • Perianth type: homochlamydeous
    ?
  • Perianth fusion: free
    ?
  • Inflorescence type: spica
    ?
  • Dicliny: synoecious
    ?
  • Generative reproduction type: facultative autogamy
    ?
  • Pollination syndrome: wind-pollination, water-pollination
    ?

Fruit, seed and dispersal

  • Fruit type: dry fruit – achene/cypsela/samara
    ?
  • Fruit colour: green, yellow, brown, grey
    ?
  • Reproduction type: by seed/spores and vegetatively
    ?
  • Dispersal unit (diaspore): fruit, infrutescence or its part, turion, shoot fragment
    ?
  • Dispersal strategy: Wolffia (mainly hydrochory)
    ?
  • Myrmecochory: non-myrmecochorous (b)
    ?

Belowground organs and clonality

  • Shoot metamorphosis: stolon, turion
    ?
  • Storage organ: stolon, turion
    ?
  • Type of clonal growth organ: hypogeogenous rhizome
    ?
  • Freely dispersible organs of clonal growth: present
    ?
  • Shoot life span (cyclicity): monocyclic shoots prevailing
    ?
  • Branching type of stem-derived organs of clonal growth: sympodial
    ?
  • Primary root: absent
    ?
  • Persistence of the clonal growth organ [year]: 1.4
    ?
  • Number of clonal offspring: 4.3
    ?
  • Lateral spreading distance by clonal growth [m]: 0.13
    ?
  • Clonal index: 7
    ?
  • Bud bank

    ?
  • Number of buds per shoot at the soil surface (root buds excluded): 7
  • Number of buds per shoot at a depth of 0–10 cm (root buds excluded): 13
  • Number of buds per shoot at a depth greater than 10 cm (root buds excluded): 6
  • Size of the belowground bud bank (root buds excluded): 26
  • Depth of the belowground bud bank (root buds exluded) [cm]: 6
  • Number of buds per shoot at the soil surface (root buds included): 7
  • Number of buds per shoot at a depth of 0–10 cm (root buds included): 13
  • Number of buds per shoot at a depth greater than 10 cm (root buds included): 6
  • Size of the belowground bud bank (root buds included): 26
  • Depth of the belowground bud bank (root buds included) [cm]: 6

Trophic mode

  • Parasitism and mycoheterotrophy: autotrophic
    ?
  • Carnivory: non-carnivorous
    ?
  • Symbiotic nitrogen fixation: no nitrogen-fixing symbionts
    ?

Karyology

  • Chromosome number (2n): 52
    ?
  • Ploidy level (x): 4
    ?
  • 2C genome size [Mbp]: 1386.74
    ?
  • 1Cx monoploid genome size [Mbp]: 346.69
    ?
  • Genomic GC content: 40.7 %
    ?

Taxon origin

  • Origin in the Czech Republic: native
    ?

Ecological indicator values

  • Ellenberg-type indicator values

  • Light indicator value: 6 – transition between values 5 and 7; rarely at less than 20% of diffuse radiation incident in an open area
    ?
  • Temperature indicator value: 6 – transition between values 5 and 7
    ?
  • Moisture indicator value: 12 – permanently or almost permanently submerged aquatic plant
    ?
  • Reaction indicator value: 7 – indicator of slightly acidic to slightly basic conditions, never occurring in very acidic conditions
    ?
  • Nutrient indicator value: 7 – occurring at nutrient-rich sites more often than at average sites and only exceptionally at poor sites
    ?
  • Salinity indicator value: 1 – salt tolerant, mostly on low-salt to salt-free soils, but occasionally on slightly salty soils
    ?
  • Indicator values for disturbance

    ?
  • Whole-community disturbance frequency indicator value: -0.52
  • Herb layer disturbance frequency indicator value: -0.52
  • Whole-community disturbance severity indicator value: 0.14
  • Herb layer disturbance severity indicator value: 0.18
  • Whole-community structure based disturbance indicator value: 0.48
  • Herb layer structure-based disturbance indicator value: 0.48

Habitat and sociology

  • Occurrence in habitats

    ?
  • 3 Aquatic vegetation

  • 3A Macrophytic vegetation of eutrophic and mesotrophic still waters: 2 – optimum
  • 3C Macrophytic vegetation of oligotrophic lakes and pools: 1 – rare occurrence
  • 4 Wetland and riverine herbaceous vegetation

  • 4A Reed-beds of eutrophic still waters: 1 – rare occurrence
  • 4B Halophilous reed and sedge beds: 1 – rare occurrence
  • 4C Eutrophic vegetation of muddy substrata: 1 – rare occurrence
  • 4E Reed vegetation of brooks: 1 – rare occurrence
  • Affinity to the forest environment

    ?
  • Affinity to the forest environment in Thermophyticum: 0 – taxon that does not spontaneously occur in Czech forests
  • Affinity to the forest environment in Mesophyticum and Oreophyticum: 0 – taxon that does not spontaneously occur in Czech forests
  • Diagnostic taxon

    ?
  • Constant taxon

    ?
  • Constant taxon of associations: VBB04 Potametum lucentis, VBB13 Potametum zizii
  • Dominant taxon

    ?
  • Dominant taxon of associations: VBB04 Potametum lucentis
  • Ecological specialization indices

    ?
  • Ecological specialization index for all vegetation types: 4.9
  • Ecological specialization index for non-forest vegetation: 4.9

Distribution and frequency

  • Floristic zone: boreal, northern temperate, southern temperate, submeridional, meridional
    ?
  • Floristic region: Europe, Asia
    ?
  • Distribution range extension along the continentality gradient: 8
    ?
  • Elevational belt in the Czech Republic: lowlands, colline belt, submontane belt
    ?
  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 189, 313
    ?
  • Commonness in vegetation plots from the Czech Republic

    ?
  • Occurrence frequency in vegetation plots: 0.6 %
  • Occurrence frequency in vegetation plots with a cover above 5%: 48.9 %
  • Occurrence frequency in vegetation plots with a cover above 25%: 40.5 %
  • Occurrence frequency in vegetation plots with a cover above 50%: 32.6 %
  • Mean percentage cover in vegetation plots: 30.6 %
  • Maximum percentage cover in vegetation plots: 88 %
  • Number of habitats with taxon occurrence in the Czech Republic

    ?
  • Number of narrow habitats in which the taxon occurs: 6
  • Number of narrow habitats in which the taxon has its optimum: 1
  • Number of broad habitats in which the taxon occurs: 2
  • Number of broad habitats in which the taxon has its optimum: 1

Threats and protection

  • Red List 2017 (national categories): C3 – vulnerable taxon
    ?
  • Red List 2017 (IUCN categories): NT – near threatened
    ?
  • Legal protection: not protected by law
    ?
This web page uses for the attendance analysis cookies. By using this web you agree with this. More info.