Petasites kablikianus

new search

Habitus and growth type

  • Height [m]: 0.3–0.7
    ?
  • Growth form: clonal herb
    ?
  • Life form: hemicryptophyte (geophyte)
    ?

Leaf

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

Flower

  • Flowering period [month]: March–May
    ?
  • Flower colour: white
    ?
  • Flower symmetry: actinomorphic
    ?
  • Perianth type: calyx reduced, corolla present
    ?
  • Perianth fusion: fused
    ?
  • Shape of the sympetalous corolla or syntepalous perianth: tubular
    ?
  • Calyx fusion: pappus
    ?
  • Inflorescence type: racemus ex anthodiis compositus, panicula ex anthodiis composita
    ?
  • Generative reproduction type: allogamy
    ?

Fruit, seed and dispersal

  • Fruit type: dry fruit – achene/cypsela/samara
    ?
  • Fruit colour: yellow, brown
    ?
  • Dispersal unit (diaspore): fruit, infrutescence or its part
    ?
  • Dispersal strategy: Phragmites (mainly anemochory and hydrochory)
    ?
  • Myrmecochory: probably myrmecochorous nv
    ?

Trophic mode

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

Karyology

  • Chromosome number (2n): 60
    ?
  • Ploidy level (x): 2
    ?
  • 2C genome size [Mbp]: 5368.49
    ?
  • 1Cx monoploid genome size [Mbp]: 2684.24
    ?
  • Genomic GC content: 38.4 %
    ?

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: 7 – humidity indicator, focus on well moistened, but not wet soils
    ?
  • Reaction indicator value: 7 – indicator of slightly acidic to slightly basic conditions, never occurring in very acidic conditions
    ?
  • Nutrient indicator value: 7 – occurring at nutrient-rich sites more often than at average sites and only exceptionally at poor sites
    ?
  • Salinity indicator value: 0 – not salt tolerant, glycophyte
    ?
  • Indicator values for disturbance

    ?
  • Whole-community disturbance frequency indicator value: -1.05
  • Herb layer disturbance frequency indicator value: -0.51
  • Whole-community disturbance severity indicator value: 0.39
  • Herb layer disturbance severity indicator value: 0.4
  • Whole-community structure based disturbance indicator value: 0.49
  • Herb layer structure-based disturbance indicator value: 0.52

Habitat and sociology

  • Occurrence in habitats

    ?
  • 2 Alpine and subalpine grasslands

  • 2B Subalpine tall-forb and tall-grass vegetation: 1 – rare occurrence
  • 4 Wetland and riverine herbaceous vegetation

  • 4D Riverine reed vegetation: 1 – rare occurrence
  • 4J River gravel banks: 3 – dominant
  • 4K Petasites fringes of montane brooks: 3 – dominant
  • 11 Heathlands and scrub

  • 11H Subalpine deciduous scrub: 1 – rare occurrence
  • 11J Willow galleries of loamy and sandy river banks: 1 – rare occurrence
  • 11R Scrub and pioneer woodland of forests clearings: 1 – rare occurrence
  • 13 Anthropogenic vegetation

  • 13E Perennial nitrophilous herbaceous vegetation of mesic sites: 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

    ?
  • Constant taxon

    ?
  • Dominant taxon

    ?
  • Dominant taxon of associations: XDB02 Petasitetum hybrido-kablikiani
  • Ecological specialization indices

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

    ?
  • Index of colonization success (ICS): 1
  • Index of colonization potential (ICP): 1

Distribution and frequency

  • Elevational belt in the Czech Republic: submontane belt, montane belt
    ?
  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 27, 49
    ?
  • Commonness in vegetation plots from the Czech Republic

    ?
  • Occurrence frequency in vegetation plots: 0.1 %
  • Occurrence frequency in vegetation plots with a cover above 5%: 54.1 %
  • Occurrence frequency in vegetation plots with a cover above 25%: 35.1 %
  • Occurrence frequency in vegetation plots with a cover above 50%: 18.9 %
  • Mean percentage cover in vegetation plots: 22.2 %
  • Maximum percentage cover in vegetation plots: 88 %
  • Number of habitats with taxon occurrence in the Czech Republic

    ?
  • Number of narrow habitats in which the taxon occurs: 8
  • Number of narrow habitats in which the taxon has its optimum: 2
  • Number of broad habitats in which the taxon occurs: 4
  • Number of broad habitats in which the taxon has its optimum: 1

Threats and protection

  • Red List 2017 (national categories): C4a – near threatened taxon
    ?
  • Red List 2017 (IUCN categories): NT – near threatened
    ?
  • 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.