Sorbus portae-bohemicae

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Habitus and growth type

  • Height [m]:
    ?
  • Growth form: tree (shrub)
    ?
  • Life form: macrophanerophyte (nanophanerophyte)
    ?

Leaf

  • Leaf presence and metamorphosis: leaves present, not modified
    ?
  • Leaf arrangement (phyllotaxis): alternate
    ?
  • Leaf shape: simple – entire
    ?
  • Stipules: present
    ?
  • Petiole: present
    ?
  • Leaf deciduousness in woody plants: winter deciduous
    ?
  • Functional leaf type in woody plants: broad deciduous or semi-deciduous
    ?

Flower

  • Flowering period [month]: May
    ?
  • Flower colour: white
    ?
  • Flower symmetry: actinomorphic
    ?
  • Perianth type: calyx and corolla
    ?
  • Perianth fusion: free
    ?
  • Calyx fusion: hypanthium
    ?
  • Inflorescence type: corymbothyrsus
    ?

Fruit, seed and dispersal

  • Fruit type: fleshy fruit – pome
    ?
  • Dispersal unit (diaspore): seed, fruit, infrutescence or its part
    ?
  • Dispersal strategy: Cornus (mainly autochory and endozoochory)
    ?
  • Myrmecochory: non-myrmecochorous (b)
    ?

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

  • Affinity to the forest environment

    ?
  • Affinity to the forest environment in Thermophyticum: 1.1 – taxon occurring mainly in the closed forest

Distribution and frequency

  • Elevational belt in the Czech Republic: colline belt
    ?
  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 1, 2
    ?

Threats and protection

  • Red List 2017 (national categories): C1b – critically threatened taxon, rare and declining
    ?
  • Red List 2017 (IUCN categories): CR – critically endangered
    ?
  • Legal protection: not protected by law
    ?
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