Setaria faberi

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Habitus and growth type

  • Height [m]: 0.3–0.8
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  • Growth form: annual herb
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  • Life form: therophyte
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  • Life strategy: CR – competitor/ruderal
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  • Life strategy (Pierce method based on leaf traits): CSR
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  • Life strategy (Pierce method, C-score): 35.7 %
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  • Life strategy (Pierce method, S-score): 38 %
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  • Life strategy (Pierce method, R-score): 26.3 %
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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: absent
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  • Petiole: absent
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  • Leaf life span: summer green
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  • Leaf anatomy: scleromorphic, mesomorphic
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Flower

  • Flowering period [month]: August–September
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  • Flower colour: green
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  • Perianth type: reduced
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  • Perianth fusion: reduced
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  • Inflorescence type: pseudospica e spiculis composita
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  • Dicliny: synoecious
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  • Generative reproduction type: autogamy
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  • Pollination syndrome: wind-pollination
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Fruit, seed and dispersal

  • Fruit type: dry fruit – caryopsis
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  • Reproduction type: only by seed/spores
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  • Dispersal unit (diaspore): fruit, infrutescence or its part
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  • Dispersal strategy: Bidens (mainly autochory and epizoochory)
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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: neophyte
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  • Invasion status: naturalized
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  • Geographic origin: Asia
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  • Year of the first record in the wild: 1961
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  • Period of introduction: Recent Past (1950–2000)
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  • Introduction pathway: unintentional – agriculture, unintentional – industry, unintentional – anthropogenic
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Ecological indicator values

  • Ellenberg-type indicator values

  • Light indicator value: 8 – light plant, only exceptionally occurring at less than 40% of diffuse radiation incident in an open area
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  • Temperature indicator value: 7 – heat indicator, occurring in relatively warm lowlands
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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: 7 – occurring at nutrient-rich sites more often than at average sites and only exceptionally at poor sites
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  • Salinity indicator value: 1 – salt tolerant, mostly on low-salt to salt-free soils, but occasionally on slightly salty soils
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Habitat and sociology

  • Occurrence in habitats

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  • 13 Anthropogenic vegetation

  • 13A Annual vegetation of ruderal habitats: 2 – optimum
  • 13B Annual vegetation of arable land: 1 – rare occurrence
  • Affinity to the forest environment

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  • 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

Distribution and frequency

  • Floristic zone: northern temperate, southern temperate, submeridional
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  • Floristic region: Europe, Eastern Asia, North America
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  • Continentality degree: 7
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  • Distribution range extension along the continentality gradient: 4
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  • Elevational belt in the Czech Republic: lowlands, colline belt
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  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 47, 51
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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%: 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 %
  • Maximum percentage cover in vegetation plots: 1 %
  • Number of habitats with taxon occurrence in the Czech Republic

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  • Number of narrow habitats in which the taxon occurs: 2
  • Number of narrow habitats in which the taxon has its optimum: 1
  • Number of broad habitats in which the taxon occurs: 1
  • Number of broad habitats in which the taxon has its optimum: 1

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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