Hyoscyamus niger var. niger

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Leaf

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

Flower

  • Flower colour: yellow
    ?
  • Flower symmetry: actinomorphic
    ?
  • Perianth type: calyx and corolla
    ?
  • Perianth fusion: fused
    ?
  • Shape of the sympetalous corolla or syntepalous perianth: funnel-shaped
    ?
  • Calyx fusion: synsepalous
    ?
  • Inflorescence type: cincinnus
    ?

Fruit, seed and dispersal

  • Fruit type: dry fruit – capsule
    ?
  • Dispersal unit (diaspore): seed
    ?
  • Dispersal strategy: Allium (mainly autochory)
    ?
  • Myrmecochory: non-myrmecochorous (b)
    ?

Trophic mode

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

Taxon origin

  • Origin in the Czech Republic: archaeophyte
    ?
  • Invasion status: naturalized
    ?
  • Geographic origin: Mediterranean, Asia
    ?

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): C3 – vulnerable taxon
    ?
  • Red List 2017 (IUCN categories): VU – vulnerable
    ?
  • Legal protection: not protected by law
    ?
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