Viola arvensis

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Habitus and growth type

  • Plant height [m]: 0.17
    ?
  • Life span: Annual
    ?
  • Life form: Therophyte
    ?

Leaf

  • Specific leaf area [mm2/mg]: 24.32
    ?

Flower

  • Flowering period: March-July
    ?

Fruit, seed and dispersal

  • Seed mass [mg]: 0.67
    ?
  • Dispersal mode: Myrmecochory, Anthropochory
    ?
  • Dispersal distance class: 3, 7
    ?

Trophic mode

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

Taxon origin

  • Origin in Europe: Native
    ?

Ecology

  • Environmental relationships

  • Substrate humidity relationship: Mesic
    ?
  • Substrate reaction relationship: Slightly acidic to near-neutral
    ?
  • Nutrient relationship: Eutrophic
    ?
  • Salinity relationship: Non-saline
    ?
  • Ellenberg-type indicator values

  • Light indicator value: 6.8
    ?
  • Temperature indicator value: 5.3
    ?
  • Reaction indicator value: 5.3
    ?
  • Nutrient indicator value: 5.6
    ?
  • Salinity indicator value: 0
    ?
  • Disturbance indicator values

  • Disturbance frequency: 1.57
    ?
  • Disturbance frequency (herb layer): 2.02
    ?
  • Disturbance severity: 0.82
    ?
  • Disturbance severity (herb layer): 0.8
    ?
  • Mowing frequency: 0.4
    ?
  • Grazing pressure: 0.14
    ?
  • Soil disturbance: 0.76
    ?

Habitat and sociology

  • EUNIS habitat

  • Broad habitat

  • Occurrence in broad habitats: Grassland (non-alpine, non-saline), Synanthropic
    ?

Distribution

  • Continentality amplitude: 6
    ?
  • Country-based map: Euro+Med Plantbase
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