Carex capillaris

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Habitus and growth type

  • Height [m]: 0.05–0.25
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  • Growth form: clonal herb
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  • Life form: hemicryptophyte
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  • Life strategy: CS – competitor/stress-tolerator
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  • Life strategy (Pierce method based on leaf traits): S
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  • Life strategy (Pierce method, C-score): 0.6 %
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  • Life strategy (Pierce method, S-score): 85.4 %
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  • Life strategy (Pierce method, R-score): 14 %
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Leaf

  • Leaf presence and metamorphosis: leaves present, not modified
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  • Leaf arrangement (phyllotaxis): alternate
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  • Leaf shape: simple – entire
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  • Stipules: absent
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  • Petiole: 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–July
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  • Flower colour: yellow-green
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  • Perianth type: flower achlamydeous
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  • Inflorescence type: spica e spiculis composita
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  • Dicliny: monoecious
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  • Generative reproduction type: mixed mating
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  • Pollination syndrome: wind-pollination
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Fruit, seed and dispersal

  • Fruit type: dry fruit – nut enclosed in an utricle
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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): fruit, infrutescence or its part
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  • Dispersal strategy: Allium (mainly autochory)
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  • Myrmecochory: non-myrmecochorous (a)
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Belowground organs and clonality

  • Shoot metamorphosis: rhizome
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  • Storage organ: rhizome, tuft
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  • Type of clonal growth organ: epigeogenous rhizome
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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: 3.5
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  • Lateral spreading distance by clonal growth [m]: 0.01
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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): 54
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  • Ploidy level (x): 2
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  • 2C genome size [Mbp]: 806.55
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  • 1Cx monoploid genome size [Mbp]: 403.27
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  • Genomic GC content: 37.1 %
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Taxon origin

  • Origin in the Czech Republic: native
    ?

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
    ?
  • Temperature indicator value: 1 – cold indicator, occurring only in high mountain areas, i.e. the alpine and nival belts
    ?
  • Moisture indicator value: 8 – transition between values 7 and 9
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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
    ?

Habitat and sociology

  • Occurrence in habitats

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  • 1 Vegetation of cliffs, screes and walls

  • 1B Siliceous cliffs and block fields: 2 – optimum
  • 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

    ?
  • Diagnostic taxon of classes: AC Elyno-Seslerietea
  • Diagnostic taxon of alliances: ACA Agrostion alpinae
  • Diagnostic taxon of associations: ACA01 Saxifrago oppositifoliae-Festucetum versicoloris

Distribution and frequency

  • Floristic zone: arctic, boreal, northern temperate, southern temperate, submeridional, meridional
    ?
  • Floristic region: circumpolar
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  • Continentality degree: 6
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  • Distribution range extension along the continentality gradient: 6
    ?
  • Elevational belt in the Czech Republic: subalpine belt
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  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 5, 7
    ?
  • Commonness in vegetation plots from the Czech Republic

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  • Occurrence frequency in vegetation plots: 0 %
  • Occurrence frequency in vegetation plots with a cover above 5%: 0 %
  • 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: 2.5 %
  • Maximum percentage cover in vegetation plots: 3 %
  • Number of habitats with taxon occurrence in the Czech Republic

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

Threats and protection

  • Red List 2017 (national categories): C1r – critically threatened taxon, rare
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  • Red List 2017 (IUCN categories): EN – endangered
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  • Legal protection: critically threatened taxon
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