Peucedanum arenarium

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Habitus and growth type

  • Height [m]: 0.8–1.5
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  • Life form: hemicryptophyte
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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: compound – tripinnate
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  • Stipules: absent
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  • Petiole: both present and absent
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Flower

  • Flowering period [month]: July–August
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  • Flower colour: yellow
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  • Flower symmetry: actinomorphic
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  • Perianth type: calyx reduced, corolla present
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  • Perianth fusion: free
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  • Calyx fusion: aposepalous
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  • Inflorescence type: umbella composita
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Fruit, seed and dispersal

  • Fruit type: dry fruit – cremocarp
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  • Fruit colour: brown, grey
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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: 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: 3 – missing on damp soil
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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

Distribution and frequency

  • Elevational belt in the Czech Republic: lowlands
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  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 0, 0
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Threats and protection

  • Red List 2017 (national categories): A1 – extinct taxon
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  • Red List 2017 (IUCN categories): RE – regionally extinct
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  • Legal protection: not protected by law
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