Veronica anagallis-aquatica agg.

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Habitus and growth type

  • Height [m]: 0.05–0.7
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  • Growth form: annual herb
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  • Life form: hemicryptophyte, hydrophyte, therophyte
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  • Life strategy: CS – competitor/stress-tolerator, CSR – competitor/stress-tolerator/ruderal, SR – stress-tolerator/ruderal
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Leaf

  • Leaf presence and metamorphosis: leaves present, not modified
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  • Leaf arrangement (phyllotaxis): opposite
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  • Leaf shape: simple – entire
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  • Stipules: absent
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  • Petiole: mainly present, both present and absent, mainly absent, absent
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  • Leaf life span: summer green, evergreen
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  • Leaf anatomy: helomorphic
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Flower

  • Flowering period [month]: May–September
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  • Flowering phase: 7 Ligustrum vulgare-Stachys sylvatica (end of early summer)
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  • Flower colour: white, pink, pink-violet, blue, blue-violet
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  • Flower symmetry: zygomorphic
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  • Perianth type: calyx and corolla
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  • Perianth fusion: fused
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  • Shape of the sympetalous corolla or syntepalous perianth: rotate
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  • Calyx fusion: fused at the base
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  • Inflorescence type: racemus
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  • Dicliny: synoecious
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  • Generative reproduction type: autogamy, facultative autogamy
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  • Pollination syndrome: insect-pollination, selfing
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Fruit, seed and dispersal

  • Fruit type: dry fruit – capsule
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  • Fruit colour: brown
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  • Reproduction type: by seed/spores and vegetatively, only by seed/spores
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  • Dispersal unit (diaspore): seed, shoot fragment
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  • Dispersal strategy: Sparganium (mainly autochory and hydrochory)
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  • Myrmecochory: non-myrmecochorous (a)
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Belowground organs and clonality

  • Shoot metamorphosis: stolon, rhizome
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  • Storage organ: stolon, rhizome
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  • Shoot life span (cyclicity): monocyclic shoots prevailing
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  • Primary root: present
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  • Bud bank

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

Trophic mode

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

  • Chromosome number (2n): 18, 36
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  • Ploidy level (x): 2, 4
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  • 2C genome size [Mbp]: 1683.6
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  • 1Cx monoploid genome size [Mbp]: 507.64
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Taxon origin

  • Origin in the Czech Republic: native
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Ecological indicator values

  • Ellenberg-type indicator values

  • Light indicator value: 7 – half-light plant, mostly occurring at full light, but also in the shade up to about 30% of diffuse radiation incident in an open area
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  • Temperature indicator value: 6 – transition between values 5 and 7
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  • Moisture indicator value: 9 – wetness indicator, focus on often soaked, poorly aerated soils
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  • Reaction indicator value: 7x – indicator of slightly acidic to slightly basic conditions, never occurring in very acidic conditions (generalist)
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  • Nutrient indicator value: 7 – occurring at nutrient-rich sites more often than at average sites and only exceptionally at poor sites
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  • Salinity indicator value: 2 – oligohaline, often on soils with very low salt content
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Habitat and sociology

  • Occurrence in habitats

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  • 3 Aquatic vegetation

  • 3B Macrophytic vegetation of water streams: 1 – rare occurrence
  • 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: 2 – optimum
  • 4C Eutrophic vegetation of muddy substrata: 1 – rare occurrence
  • 4D Riverine reed vegetation: 1 – rare occurrence
  • 4E Reed vegetation of brooks: 2 – optimum
  • 4G Tall-sedge beds: 1 – rare occurrence
  • 4H Vegetation of low annual hygrophilous herbs: 2 – optimum
  • 4I Vegetation of nitrophilous annual hygrophilous herbs: 2 – optimum
  • 4J River gravel banks: 1 – rare occurrence
  • 4K Petasites fringes of montane brooks: 1 – rare occurrence
  • 5 Vegetation of springs and mires

  • 5A Hard-water springs with tufa formation: 2 – optimum
  • 5B Lowland to montane soft-water springs: 1 – rare occurrence
  • 5D Calcareous fens: 1 – rare occurrence
  • 5E Acidic moss-rich fens and peatland meadows: 1 – rare occurrence
  • 6 Meadows and mesic pastures

  • 6G Vegetation of wet disturbed soils: 1 – rare occurrence
  • 10 Saline vegetation

  • 10G Continental vegetation of annual halophilous grasses: 1 – rare occurrence
  • 10I Inland saline meadows: 1 – rare occurrence
  • 11 Heathlands and scrub

  • 11I Willow carrs: 1 – rare occurrence
  • 11J Willow galleries of loamy and sandy river banks: 1 – rare occurrence
  • 12 Forests

  • 12A Alder carrs: 1 – rare occurrence
  • 12B Alluvial forests: 1 – rare occurrence
  • Affinity to the forest environment

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  • 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

Distribution and frequency

  • Floristic zone: boreal, northern temperate, southern temperate, submeridional, meridional, austral or antarctic
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  • Floristic region: Europe, Asia, Western Asia, Africa, Americas, Australia, New Zealand
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  • Elevational belt in the Czech Republic: lowlands, colline belt, submontane belt
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  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 509, 1172
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  • Commonness in vegetation plots from the Czech Republic

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  • Maximum percentage cover in vegetation plots: 88 %
  • Number of habitats with taxon occurrence in the Czech Republic

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  • Number of narrow habitats in which the taxon occurs: 23
  • Number of narrow habitats in which the taxon has its optimum: 5
  • Number of broad habitats in which the taxon occurs: 7
  • Number of broad habitats in which the taxon has its optimum: 2
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