Cotoneaster laxiflorus

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Habitus and growth type

  • Height [m]: 1.5–2.5
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  • Growth form: shrub
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  • Life form: nanophanerophyte
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Leaf

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

  • Flowering period [month]: April–May
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  • Flower colour: pink
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  • Flower symmetry: actinomorphic
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  • Perianth type: calyx and corolla
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  • Perianth fusion: free
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  • Calyx fusion: hypanthium
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  • Inflorescence type: corymbus
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Fruit, seed and dispersal

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

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

  • Origin in the Czech Republic: native
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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
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  • Temperature indicator value: 6 – transition between values 5 and 7
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  • Moisture indicator value: 4 – transition between values 3 and 5
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  • Reaction indicator value: 7 – indicator of slightly acidic to slightly basic conditions, never occurring in very acidic conditions
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  • Nutrient indicator value: 3 – occurring at nutrient-poor sites more frequently than at average sites and exceptionally at rich sites
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  • Salinity indicator value: 0 – not salt tolerant, glycophyte
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Habitat and sociology

  • Occurrence in habitats

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  • 1 Vegetation of cliffs, screes and walls

  • 1A Calcareous cliffs: 1 – rare occurrence
  • 1B Siliceous cliffs and block fields: 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
  • 8D Broad-leaved dry grasslands: 1 – rare occurrence
  • 8F Thermophilous forest fringe vegetation: 2 – optimum
  • 11 Heathlands and scrub

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

  • 12C Oak-hornbeam forests: 1 – rare occurrence
  • 12D Ravine forests: 1 – rare occurrence
  • 12H Peri-Alpidic basiphilous thermophilous oak forests: 2 – optimum
  • 12J Acidophilous thermophilous oak forests: 2 – optimum
  • 12K Acidophilous oak forests: 1 – rare occurrence
  • 12W Pine and larch plantations: 1 – rare occurrence
  • Affinity to the forest environment

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  • 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
  • Colonization ability

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  • Index of colonization success (ICS): 1

Distribution and frequency

  • Elevational belt in the Czech Republic: colline belt
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  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 39, 67
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  • Commonness in vegetation plots from the Czech Republic

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  • Occurrence frequency in vegetation plots: 0 %
  • Occurrence frequency in vegetation plots with a cover above 5%: 100 %
  • Occurrence frequency in vegetation plots with a cover above 25%: 100 %
  • Occurrence frequency in vegetation plots with a cover above 50%: 0 %
  • Mean percentage cover in vegetation plots: 38 %
  • Maximum percentage cover in vegetation plots: 38 %
  • Number of habitats with taxon occurrence in the Czech Republic

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  • Number of narrow habitats in which the taxon occurs: 15
  • Number of narrow habitats in which the taxon has its optimum: 6
  • 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): C2r – endangered taxon, rare
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  • Red List 2017 (IUCN categories): EN – endangered
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  • Legal protection: not protected by law
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