Hieracium silesiacum

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Habitus and growth type

  • Height [m]: 0.25–0.4
    ?
  • Growth form: clonal herb
    ?
  • Life form: hemicryptophyte
    ?

Leaf

  • Leaf presence and metamorphosis: leaves present, not modified
    ?
  • Leaf arrangement (phyllotaxis): alternate, rosulate
    ?
  • Leaf shape: simple – entire
    ?
  • Stipules: absent
    ?
  • Petiole: both present and absent
    ?

Flower

  • Flowering period [month]: July–August
    ?
  • Flower colour: yellow
    ?
  • Flower symmetry: zygomorphic
    ?
  • Perianth type: calyx reduced, corolla present
    ?
  • Perianth fusion: fused
    ?
  • Shape of the sympetalous corolla or syntepalous perianth: ligulate
    ?
  • Calyx fusion: pappus
    ?
  • Inflorescence type: anthella ex anthodiis composita
    ?
  • Generative reproduction type: obligate apomixis
    ?

Fruit, seed and dispersal

  • Fruit type: dry fruit – achene/cypsela/samara
    ?
  • Dispersal unit (diaspore): fruit, infrutescence or its part
    ?
  • Dispersal strategy: Epilobium (mainly anemochory and autochory)
    ?
  • Myrmecochory: probably non-myrmecochorous
    ?

Trophic mode

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

Taxon origin

  • Origin in the Czech Republic: native
    ?

Habitat and sociology

  • Occurrence in habitats

    ?
  • 2 Alpine and subalpine grasslands

  • 2B Subalpine tall-forb and tall-grass vegetation: 2 – optimum
  • 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

Distribution and frequency

  • Elevational belt in the Czech Republic: montane belt, subalpine belt
    ?
  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 4, 4
    ?
  • 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
    ?
  • Red List 2017 (IUCN categories): CR – critically endangered
    ?
  • Legal protection: not protected by law
    ?
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