Polystichum braunii

new search

Habitus and growth type

  • Height [m]: 0.2–0.7
    ?
  • Growth form: clonal herb
    ?
  • Life form: hemicryptophyte
    ?
  • Life strategy: CS – competitor/stress-tolerator
    ?

Leaf

  • Leaf presence and metamorphosis: leaves present, not modified
    ?
  • Leaf arrangement (phyllotaxis): rosulate
    ?
  • Leaf shape: compound – bipinnate, compound – tripinnate
    ?
  • Stipules: absent
    ?
  • Petiole: present
    ?
  • Leaf life span: summer green
    ?
  • Leaf anatomy: mesomorphic
    ?

Flower

  • Flowering period [month]: June–September
    ?
  • Dicliny: synoecious
    ?

Fruit, seed and dispersal

  • Reproduction type: only by seed/spores
    ?
  • Dispersal unit (diaspore): spore
    ?
  • Dispersal strategy: Lycopodium (mainly anemochory)
    ?
  • Myrmecochory: non-myrmecochorous (b)
    ?

Belowground organs and clonality

  • Shoot metamorphosis: rhizome
    ?
  • Storage organ: rhizome
    ?
  • Type of clonal growth organ: epigeogenous rhizome
    ?
  • Freely dispersible organs of clonal growth: absent
    ?
  • Primary root: absent
    ?
  • Persistence of the clonal growth organ [year]: 4
    ?
  • Number of clonal offspring: 0.5
    ?
  • Lateral spreading distance by clonal growth [m]: 0.01
    ?
  • Clonal index: 2
    ?
  • Bud bank

    ?
  • Number of buds per shoot at the soil surface (root buds excluded): 5
  • Number of buds per shoot at a depth of 0–10 cm (root buds excluded): 15
  • Number of buds per shoot at a depth greater than 10 cm (root buds excluded): 0
  • Size of the belowground bud bank (root buds excluded): 20
  • Depth of the belowground bud bank (root buds exluded) [cm]: 4
  • Number of buds per shoot at the soil surface (root buds included): 5
  • Number of buds per shoot at a depth of 0–10 cm (root buds included): 15
  • Number of buds per shoot at a depth greater than 10 cm (root buds included): 0
  • Size of the belowground bud bank (root buds included): 20
  • Depth of the belowground bud bank (root buds included) [cm]: 4

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: 3 – shade plant, usually occurring where the incident radiation is less than 5% of that in an open area, but also at sunnier sites
    ?
  • Temperature indicator value: 4 – transition between values 3 and 5
    ?
  • Moisture indicator value: 6 – transition between values 5 and 7
    ?
  • Reaction indicator value: 6 – transition between values 5 and 7
    ?
  • 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
    ?

Habitat and sociology

  • Occurrence in habitats

    ?
  • 12 Forests

  • 12D Ravine forests: 1 – rare occurrence
  • 12E Herb-rich beech forests: 2 – optimum
  • 12F Limestone beech forests: 1 – rare occurrence
  • 12R Acidophilous spruce forests: 1 – rare occurrence
  • 12S Basiphilous spruce forests: 2 – optimum
  • 13 Anthropogenic vegetation

  • 13E Perennial nitrophilous herbaceous vegetation of mesic sites: 1 – rare occurrence
  • 13F Herbaceous vegetation of forests clearings and Rubus scrub: 1 – rare occurrence
  • Affinity to the forest environment

    ?
  • Affinity to the forest environment in Mesophyticum and Oreophyticum: 1.1 – taxon occurring mainly in the closed forest
  • Ecological specialization indices

    ?
  • Ecological specialization index for all vegetation types: 6.7
  • Ecological specialization index for forest vegetation: 6.7
  • Colonization ability

    ?
  • Index of colonization success (ICS): 1

Distribution and frequency

  • Floristic zone: boreal, northern temperate, southern temperate, submeridional
    ?
  • Floristic region: circumpolar
    ?
  • Continentality degree: 4
    ?
  • Distribution range extension along the continentality gradient: 4
    ?
  • Elevational belt in the Czech Republic: montane belt
    ?
  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 53, 85
    ?
  • 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%: 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: 1.8 %
  • 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: 7
  • 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: 1

Threats and protection

  • Red List 2017 (national categories): C2r – endangered taxon, rare
    ?
  • Red List 2017 (IUCN categories): EN – endangered
    ?
  • Legal protection: endangered taxon
    ?
This web page uses for the attendance analysis cookies. By using this web you agree with this. More info.