Agropyron pectinatum

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Habitus and growth type

  • Height [m]: 0.3–0.6
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  • Growth form: clonal herb
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  • Life form: hemicryptophyte
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  • Life strategy (Pierce method based on leaf traits): S/CS
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  • Life strategy (Pierce method, C-score): 17.7 %
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  • Life strategy (Pierce method, S-score): 82.3 %
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  • Life strategy (Pierce method, R-score): 0 %
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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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Flower

  • Flowering period [month]: May–July
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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: spica e spiculis composita
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  • Generative reproduction type: facultative allogamy
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Fruit, seed and dispersal

  • Fruit type: dry fruit – caryopsis
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  • Fruit colour: brown
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  • Dispersal unit (diaspore): fruit, infrutescence or its part
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  • Dispersal strategy: Allium (mainly autochory)
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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: 9 – full light plant, occurring only in fully irradiated places, not at less than 50% of diffuse radiation incident in an open area
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  • Temperature indicator value: 8 – transition between values 7 and 9
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  • Moisture indicator value: 2 – transition between values 1 and 3
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  • Reaction indicator value: 8 – transition between values 7 and 9, occurring mostly in calcium-rich 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

  • 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
  • Diagnostic taxon

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  • Diagnostic taxon of alliances: XCD Artemisio-Kochion prostratae
  • Diagnostic taxon of associations: XCD01 Agropyro cristati-Kochietum prostratae
  • Colonization ability

    ?
  • Index of colonization success (ICS): 1

Distribution and frequency

  • 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: 21, 26
    ?
  • 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%: 0 %
  • Occurrence frequency in vegetation plots with a cover above 50%: 0 %
  • Mean percentage cover in vegetation plots: 18 %
  • Maximum percentage cover in vegetation plots: 18 %

Threats and protection

  • Red List 2017 (national categories): C1r – critically threatened taxon, rare
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  • Red List 2017 (IUCN categories): CR – critically endangered
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  • Legal protection: not protected by law
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