Veronica serpyllifolia subsp. serpyllifolia

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Habitus and growth type

  • Height [m]: 0.05–0.3
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  • Growth form: clonal herb
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  • Life form: hemicryptophyte
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  • Life strategy: CSR – competitor/stress-tolerator/ruderal
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  • Life strategy (Pierce method based on leaf traits): R/CR
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  • Life strategy (Pierce method, C-score): 17 %
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  • Life strategy (Pierce method, S-score): 9.9 %
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  • Life strategy (Pierce method, R-score): 73.2 %
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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: both present and absent
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  • Leaf life span: evergreen
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  • Leaf anatomy: scleromorphic, mesomorphic
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Flower

  • Flowering period [month]: May–August
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  • Flowering phase: 4 Fagus sylvatica-Galeobdolon (start of mid-spring)
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  • Flower colour: blue
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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
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  • Pollination syndrome: insect-pollination
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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
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  • Dispersal unit (diaspore): seed
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  • Dispersal strategy: Allium (mainly autochory)
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Belowground organs and clonality

  • Shoot metamorphosis: stolon
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  • Storage organ: stolon
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  • Type of clonal growth organ: stolon
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  • Freely dispersible organs of clonal growth: absent
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  • Shoot life span (cyclicity): dicyclic or polycyclic shoots prevailing
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  • Branching type of stem-derived organs of clonal growth: sympodial
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  • Primary root: absent
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  • Persistence of the clonal growth organ [year]:
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  • Number of clonal offspring:
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  • Lateral spreading distance by clonal growth [m]: 0.13
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  • Clonal index: 4
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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): 14
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  • Ploidy level (x): 2
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  • 2C genome size [Mbp]: 766.78
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  • 1Cx monoploid genome size [Mbp]: 383.39
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  • Genomic GC content: 39.4 %
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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: 6x – transition between values 5 and 7; rarely at less than 20% of diffuse radiation incident in an open area (generalist)
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  • Temperature indicator value: 5x – moderate heat indicator, occurring from lowland to montane belt, mainly in submontane-temperate areas (generalist)
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  • Moisture indicator value: 5 – indicator of fresh soils, focus on soils of average moisture, missing on wet and on soils that frequently dry out
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  • Reaction indicator value: 5 – indicator of moderate acidity, occurring rarely in strongly acidic as well as in neutral to alkaline conditions
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  • Nutrient indicator value: 5 – occurring at moderately nutrient-rich sites, and less frequently at poor and rich sites
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  • Salinity indicator value: 0 – not salt tolerant, glycophyte
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  • Indicator values for disturbance

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  • Whole-community disturbance frequency indicator value: -0.22
  • Herb layer disturbance frequency indicator value: -0.06
  • Whole-community disturbance severity indicator value: 0.48
  • Herb layer disturbance severity indicator value: 0.5
  • Whole-community structure based disturbance indicator value: 0.65
  • Herb layer structure-based disturbance indicator value: 0.81

Habitat and sociology

  • Occurrence in habitats

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  • 3 Aquatic vegetation

  • 3C Macrophytic vegetation of oligotrophic lakes and pools: 1 – rare occurrence
  • 4 Wetland and riverine herbaceous vegetation

  • 4H Vegetation of low annual hygrophilous herbs: 1 – rare occurrence
  • 5 Vegetation of springs and mires

  • 5E Acidic moss-rich fens and peatland meadows: 1 – rare occurrence
  • 6 Meadows and mesic pastures

  • 6A Mesic Arrhenatherum meadows: 1 – rare occurrence
  • 6B Montane mesic meadows: 2 – optimum
  • 6C Pastures and park grasslands: 2 – optimum
  • 6D Alluvial meadows of lowland rivers: 2 – optimum
  • 6E Wet Cirsium meadows: 1 – rare occurrence
  • 6F Intermittently wet Molinia meadows: 1 – rare occurrence
  • 6G Vegetation of wet disturbed soils: 2 – optimum
  • 7 Acidophilous grasslands

  • 7A Subalpine and montane acidophilous grasslands: 1 – rare occurrence
  • 7B Submontane Nardus grasslands: 1 – rare occurrence
  • 9 Sand grasslands and rock-outcrop vegetation

  • 9B Open vegetation of acidic sands: 1 – rare occurrence
  • 9E Acidophilous vegetation of spring therophytes and succulents: 1 – rare occurrence
  • 13 Anthropogenic vegetation

  • 13A Annual vegetation of ruderal habitats: 1 – rare occurrence
  • 13B Annual vegetation of arable land: 1 – rare occurrence
  • 13C Annual vegetation of trampled habitats: 2 – optimum
  • 13F Herbaceous vegetation of forests clearings and Rubus scrub: 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
  • Diagnostic taxon

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  • Constant taxon

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  • Constant taxon of associations: TDC05 Alchemillo hybridae-Poëtum supinae
  • Ecological specialization indices

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  • Ecological specialization index for all vegetation types: 5.2
  • Ecological specialization index for non-forest vegetation: 5.2
  • Colonization ability

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  • Index of colonization success (ICS): 3
  • Index of colonization potential (ICP): 2
  • Optimum successional age [years]: 25

Distribution and frequency

  • Floristic zone: boreal, northern temperate, southern temperate, submeridional, meridional
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  • Floristic region: circumpolar
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  • Distribution range extension along the continentality gradient: 5
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  • Elevational belt in the Czech Republic: lowlands, colline belt, submontane belt, montane belt, subalpine belt
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  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 609, 1612
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  • Commonness in vegetation plots from the Czech Republic

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  • Occurrence frequency in vegetation plots: 0.6 %
  • Occurrence frequency in vegetation plots with a cover above 5%: 1.1 %
  • Occurrence frequency in vegetation plots with a cover above 25%: 0 %
  • Occurrence frequency in vegetation plots with a cover above 50%: 0 %
  • Mean percentage cover in vegetation plots: 2 %
  • Maximum percentage cover in vegetation plots: 13 %
  • Number of habitats with taxon occurrence in the Czech Republic

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  • Number of narrow habitats in which the taxon occurs: 18
  • 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

Threats and protection

  • Red List 2017 (national categories): taxon is not on the Red List
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  • Red List 2017 (IUCN categories): LC(NA) – least concern (taxon is not on the Red List)
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  • Legal protection: not protected by law
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