Sorbus danubialis

new search

Habitus and growth type

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

Leaf

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

Flower

  • Flowering period [month]: May
    ?
  • Flower colour: white, yellow-white
    ?
  • Flower symmetry: actinomorphic
    ?
  • Perianth type: calyx and corolla
    ?
  • Perianth fusion: free
    ?
  • Calyx fusion: hypanthium
    ?
  • Inflorescence type: corymbothyrsus
    ?
  • Dicliny: synoecious
    ?
  • Generative reproduction type: facultative apomixis
    ?
  • Pollination syndrome: insect-pollination
    ?

Fruit, seed and dispersal

  • Fruit type: fleshy fruit – pome
    ?
  • Reproduction type: only by seed/spores
    ?
  • 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
    ?

Karyology

  • Chromosome number (2n): 68
    ?
  • Ploidy level (x): 4
    ?
  • 2C genome size [Mbp]: 2465.89
    ?
  • 1Cx monoploid genome size [Mbp]: 616.47
    ?
  • Genomic GC content: 40.3 %
    ?

Taxon origin

  • Origin in the Czech Republic: native
    ?

Ecological indicator values

  • Ellenberg-type indicator values

  • Light indicator value: 6 – transition between values 5 and 7; rarely at less than 20% of diffuse radiation incident in an open area
    ?
  • Temperature indicator value: 6 – transition between values 5 and 7
    ?
  • Moisture indicator value: 3 – missing on damp soil
    ?
  • Reaction indicator value: 8 – transition between values 7 and 9, occurring mostly in calcium-rich conditions
    ?
  • Nutrient indicator value: 3 – occurring at nutrient-poor sites more frequently than at average sites and exceptionally at rich sites
    ?
  • Salinity indicator value: 0 – not salt tolerant, glycophyte
    ?

Habitat and sociology

  • Occurrence in habitats

    ?
  • 1 Vegetation of cliffs, screes and walls

  • 1A Calcareous cliffs: 1 – rare occurrence
  • 1B Siliceous cliffs and block fields: 1 – rare occurrence
  • 1D Mobile calcareous screes: 1 – rare occurrence
  • 8 Dry grasslands

  • 8A Hercynian dry grasslands on rock outcrops: 2 – optimum
  • 8B Submediterranean dry grasslands on rock outcrops: 2 – optimum
  • 8C Narrow-leaved sub-continental steppes: 1 – rare occurrence
  • 8F Thermophilous forest fringe vegetation: 1 – rare occurrence
  • 11 Heathlands and scrub

  • 11L Tall mesic and xeric shrub: 1 – rare occurrence
  • 11N Low xeric scrub: 2 – optimum
  • 12 Forests

  • 12D Ravine forests: 1 – rare occurrence
  • 12H Peri-Alpidic basiphilous thermophilous oak forests: 1 – rare occurrence
  • 12J Acidophilous thermophilous oak forests: 2 – optimum
  • Affinity to the forest environment

    ?
  • Affinity to the forest environment in Thermophyticum: 2.1 – taxon occurring both in the forest and open vegetation
  • Affinity to the forest environment in Mesophyticum and Oreophyticum: 2.1 – taxon occurring both in the forest and open vegetation

Distribution and frequency

  • Floristic zone: southern temperate, submeridional
    ?
  • Floristic region: Europe
    ?
  • Continentality degree: 6
    ?
  • Distribution range extension along the continentality gradient: 2
    ?
  • Elevational belt in the Czech Republic: lowlands, colline belt, submontane belt (montane belt)
    ?
  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 73, 140
    ?
  • Number of habitats with taxon occurrence in the Czech Republic

    ?
  • Number of narrow habitats in which the taxon occurs: 12
  • Number of narrow habitats in which the taxon has its optimum: 4
  • Number of broad habitats in which the taxon occurs: 4
  • Number of broad habitats in which the taxon has its optimum: 3

Threats and protection

  • Red List 2017 (national categories): C3 – vulnerable 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.