Amaranthus graecizans subsp. thellungianus

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Habitus and growth type

  • Life form: therophyte
    ?

Leaf

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

Flower

  • Flower colour: green
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  • Flower symmetry: actinomorphic
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  • Perianth type: homochlamydeous
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  • Perianth fusion: free
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  • Inflorescence type: pseudospica
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Fruit, seed and dispersal

  • Fruit type: dry fruit – capsule
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  • Myrmecochory: non-myrmecochorous (b)
    ?

Trophic mode

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

  • Origin in the Czech Republic: neophyte
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  • Invasion status: casual
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  • Geographic origin: Mediterranean, Asia
    ?
  • Year of the first record in the wild: 1965
    ?
  • Period of introduction: Recent Past (1950–2000)
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  • Introduction pathway: unintentional – industry
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Ecological indicator values

  • Ellenberg-type indicator values

  • Light indicator value: 9 – full light plant, occurring only in fully irradiated places, not at less than 50% of diffuse radiation incident in an open area
    ?
  • Temperature indicator value: 9 – extreme heat indicator, restricted to warmest sites in southern Central Europe
    ?
  • Moisture indicator value: 3 – missing on damp soil
    ?
  • 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: 8 – pronounced nutrient indicator
    ?
  • Salinity indicator value: 1 – salt tolerant, mostly on low-salt to salt-free soils, but occasionally on slightly salty soils
    ?

Habitat and sociology

  • 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

Threats and protection

  • Red List 2017 (national categories): taxon is not on the Red List
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  • Red List 2017 (IUCN categories): LC(NA) – least concern (taxon is not on the Red List)
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  • Legal protection: not protected by law
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