Dianthus pontederae

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Habitus and growth type

  • Height [m]: 0.15–0.4
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  • Growth form: polycarpic perennial non-clonal herb
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  • Life form: hemicryptophyte
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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: absent
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Flower

  • Flowering period [month]: June–August
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  • Flower colour: pink, red-violet
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  • Flower symmetry: actinomorphic
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  • Perianth type: calyx and corolla
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  • Perianth fusion: free
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  • Calyx fusion: synsepalous
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  • Inflorescence type: fasciculus
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Fruit, seed and dispersal

  • Fruit type: dry fruit – capsule
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  • Fruit colour: brown
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  • Dispersal unit (diaspore): seed
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  • Dispersal strategy: Allium (mainly autochory)
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  • Myrmecochory: non-myrmecochorous (b)
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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): 30
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  • Ploidy level (x): 2
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  • 2C genome size [Mbp]: 957.69
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  • 1Cx monoploid genome size [Mbp]: 478.84
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  • Genomic GC content: 39.6 %
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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: 8 – light plant, only exceptionally occurring at less than 40% of diffuse radiation incident in an open area
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  • Temperature indicator value: 7 – heat indicator, occurring in relatively warm lowlands
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  • Moisture indicator value: 2 – transition between values 1 and 3
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  • Reaction indicator value: 7 – indicator of slightly acidic to slightly basic conditions, never occurring in very acidic conditions
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  • Nutrient indicator value: 2 – transition between values 1 and 3
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  • Salinity indicator value: 0 – not salt tolerant, glycophyte
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Habitat and sociology

  • Occurrence in habitats

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  • 6 Meadows and mesic pastures

  • 6A Mesic Arrhenatherum meadows: 1 – rare occurrence
  • 8 Dry grasslands

  • 8A Hercynian dry grasslands on rock outcrops: 2 – optimum
  • 8B Submediterranean dry grasslands on rock outcrops: 2 – optimum
  • 8C Narrow-leaved sub-continental steppes: 2 – optimum
  • 8D Broad-leaved dry grasslands: 1 – rare occurrence
  • 8E Acidophilous dry grasslands: 2 – optimum
  • 8F Thermophilous forest fringe vegetation: 1 – rare occurrence
  • 9 Sand grasslands and rock-outcrop vegetation

  • 9C Festuca grasslands on acidic sands: 2 – optimum
  • 9E Acidophilous vegetation of spring therophytes and succulents: 1 – rare occurrence
  • 9F Basiphilous vegetation of spring therophytes and succulents: 1 – rare occurrence
  • 11 Heathlands and scrub

  • 11A Dry lowland to subalpine heathlands: 1 – rare occurrence
  • 11L Tall mesic and xeric shrub: 1 – rare occurrence
  • 11N Low xeric scrub: 1 – rare occurrence
  • 12 Forests

  • 12H Peri-Alpidic basiphilous thermophilous oak forests: 1 – rare occurrence
  • 12J Acidophilous thermophilous oak 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
  • Diagnostic taxon

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  • Diagnostic taxon of associations: TFC02 Erysimo diffusi-Agrostietum capillaris
  • Constant taxon

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  • Constant taxon of associations: TFC02 Erysimo diffusi-Agrostietum capillaris
  • Colonization ability

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  • Index of colonization success (ICS): 1

Distribution and frequency

  • Elevational belt in the Czech Republic: lowlands, colline belt
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  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 53, 100
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  • Number of habitats with taxon occurrence in the Czech Republic

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  • Number of narrow habitats in which the taxon occurs: 15
  • Number of narrow habitats in which the taxon has its optimum: 5
  • Number of broad habitats in which the taxon occurs: 5
  • Number of broad habitats in which the taxon has its optimum: 2

Threats and protection

  • Red List 2017 (national categories): C4a – near threatened taxon
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  • Red List 2017 (IUCN categories): LC – least concern
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  • Legal protection: not protected by law
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