Pilosella iserana

new search

Habitus and growth type

  • Height [m]: 0.25–0.45
    ?
  • 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]: June–July
    ?
  • 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: corymbothyrsus ex anthodiis compositus
    ?
  • Dicliny: synoecious
    ?
  • Generative reproduction type: facultative apomixis
    ?
  • Pollination syndrome: insect-pollination, selfing
    ?

Fruit, seed and dispersal

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

Belowground organs and clonality

  • Shoot metamorphosis: stolon, rhizome
    ?
  • Storage organ: rhizome
    ?

Trophic mode

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

Taxon origin

  • Origin in the Czech Republic: native
    ?

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
    ?
  • Temperature indicator value: 4 – transition between values 3 and 5
    ?
  • Moisture indicator value: 5 – indicator of fresh soils, focus on soils of average moisture, missing on wet and on soils that frequently dry out
    ?
  • Reaction indicator value: 4 – transition between values 3 and 5
    ?
  • Nutrient indicator value: 4 – transition between values 3 and 5
    ?
  • Salinity indicator value: 0 – not salt tolerant, glycophyte
    ?

Habitat and sociology

  • Occurrence in habitats

    ?
  • 6 Meadows and mesic pastures

  • 6A Mesic Arrhenatherum meadows: 1 – rare occurrence
  • 6B Montane mesic meadows: 2 – optimum
  • 6C Pastures and park grasslands: 1 – rare occurrence
  • 7 Acidophilous grasslands

  • 7A Subalpine and montane acidophilous grasslands: 2 – optimum
  • 7B Submontane Nardus grasslands: 1 – rare occurrence
  • 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
  • Diagnostic taxon

    ?
  • Diagnostic taxon of alliances: TEB Nardo strictae-Agrostion tenuis
  • Diagnostic taxon of associations: TEB01 Sileno vulgaris-Nardetum strictae
  • Ecological specialization indices

    ?
  • Ecological specialization index for all vegetation types: 7.2
  • Ecological specialization index for non-forest vegetation: 7.2

Distribution and frequency

  • Elevational belt in the Czech Republic: submontane belt, montane belt (subalpine belt)
    ?
  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 40, 66
    ?
  • Commonness in vegetation plots from the Czech Republic

    ?
  • Occurrence frequency in vegetation plots: 0 %
  • Occurrence frequency in vegetation plots with a cover above 5%: 14.3 %
  • 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: 3.8 %
  • Maximum percentage cover in vegetation plots: 13 %
  • Number of habitats with taxon occurrence in the Czech Republic

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

Threats and protection

  • Red List 2017 (national categories): C3 – vulnerable taxon
    ?
  • Red List 2017 (IUCN categories): VU – vulnerable
    ?
  • Legal protection: not protected by law
    ?
This web page uses for the attendance analysis cookies. By using this web you agree with this. More info.