Viola riviniana var. riviniana

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Leaf

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

Flower

  • Flower colour: blue, blue-violet
    ?
  • Flower symmetry: zygomorphic
    ?
  • Perianth type: calyx and corolla
    ?
  • Perianth fusion: free
    ?
  • Calyx fusion: aposepalous
    ?
  • Inflorescence type: flores solitarii
    ?

Fruit, seed and dispersal

  • Fruit type: dry fruit – capsule
    ?
  • Dispersal unit (diaspore): seed
    ?
  • Dispersal strategy: Allium (mainly autochory)
    ?

Trophic mode

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

Taxon origin

  • Origin in the Czech Republic: native
    ?

Ecological indicator values

  • Ellenberg-type indicator values

  • Light indicator value: 4 – transition between values 3 and 5
    ?
  • Temperature indicator value: 6x – transition between values 5 and 7 (generalist)
    ?
  • Moisture indicator value: 5 – indicator of fresh soils, focus on soils of average moisture, missing on wet and on soils that frequently dry out
    ?
  • Reaction indicator value: 6 – transition between values 5 and 7
    ?
  • Nutrient indicator value: 6x – transition between values 5 and 7 (generalist)
    ?
  • Salinity indicator value: 0 – not salt tolerant, glycophyte
    ?

Habitat and sociology

  • Affinity to the forest environment

    ?
  • Affinity to the forest environment in Thermophyticum: 1.1 – taxon occurring mainly in the closed forest
  • Affinity to the forest environment in Mesophyticum and Oreophyticum: 1.1 – taxon occurring mainly in the closed forest

Threats and protection

  • Legal protection: not protected by law
    ?
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