Hordeum marinum agg.

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Habitus and growth type

  • Height [m]: 0.05–0.5
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  • Growth form: annual herb
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  • Life form: therophyte
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  • Life strategy: CS – competitor/stress-tolerator
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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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Flower

  • Flowering period [month]: June–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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  • Dicliny: andromonoecious
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  • Generative reproduction type: autogamy
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  • Pollination syndrome: selfing
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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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  • 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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Karyology

  • Chromosome number (2n): 28
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  • Ploidy level (x): 4
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  • 2C genome size [Mbp]: 16477.49
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  • 1Cx monoploid genome size [Mbp]: 4119.37
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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: Europe, Mediterranean
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Distribution and frequency

  • Floristic zone: northern temperate, southern temperate, submeridional, meridional, austral or antarctic
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  • Floristic region: Europe, Western Asia, North America, circumpolar
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  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 10, 11
    ?
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