Reseda alba subsp. alba

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Habitus and growth type

  • Growth form: annual herb
    ?
  • Life form: therophyte
    ?
  • Life strategy: CR – competitor/ruderal
    ?
  • Life strategy (Pierce method based on leaf traits): R/CR
    ?
  • Life strategy (Pierce method, C-score): 36.4 %
    ?
  • Life strategy (Pierce method, S-score): 0 %
    ?
  • Life strategy (Pierce method, R-score): 63.6 %
    ?

Leaf

  • Leaf presence and metamorphosis: leaves present, not modified
    ?
  • Leaf arrangement (phyllotaxis): alternate
    ?
  • Leaf shape: simple – pinnately divided
    ?
  • Stipules: absent
    ?
  • Petiole: present
    ?
  • Leaf life span: evergreen
    ?

Flower

  • Flower colour: white
    ?
  • Flower symmetry: zygomorphic
    ?
  • Perianth type: calyx and corolla
    ?
  • Perianth fusion: free
    ?
  • Calyx fusion: aposepalous
    ?
  • Inflorescence type: racemus
    ?
  • Dicliny: synoecious
    ?
  • Pollination syndrome: insect-pollination
    ?

Fruit, seed and dispersal

  • Fruit type: dry fruit – capsule
    ?
  • Fruit colour: brown
    ?
  • Reproduction type: only by seed/spores
    ?
  • Dispersal unit (diaspore): seed
    ?
  • Dispersal strategy: Allium (mainly autochory)
    ?
  • Myrmecochory: probably myrmecochorous
    ?

Belowground organs and clonality

  • Shoot metamorphosis: pleiocorm
    ?
  • Root metamorphosis: primary storage root
    ?
  • Storage organ: pleiocorm, primary storage root
    ?

Trophic mode

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

Taxon origin

  • Origin in the Czech Republic: neophyte
    ?
  • Invasion status: casual
    ?
  • Geographic origin: Mediterranean
    ?
  • Year of the first record in the wild: 1840
    ?
  • Period of introduction: Late Modern Period (1800–1950)
    ?
  • Introduction pathway: intentional – ornamental
    ?

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

Distribution and frequency

  • Floristic zone: submeridional, meridional
    ?
  • Floristic region: Europe
    ?
  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 0, 0
    ?

Threats and protection

  • Red List 2017 (national categories): taxon is not on the Red List
    ?
  • Red List 2017 (IUCN categories): LC(NA) – least concern (taxon is not on the Red List)
    ?
  • Legal protection: not protected by law
    ?
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