Xanthium spinosum

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Habitus and growth type

  • Plant height [m]: 0.55
    ?
  • Life span: Annual
    ?
  • Life form: Therophyte
    ?

Leaf

  • Specific leaf area [mm2/mg]: 16.54
    ?

Flower

  • Flowering period: June-October
    ?

Fruit, seed and dispersal

  • Seed mass [mg]: 177.83
    ?
  • Dispersal mode: Local non-specific dispersal, Anthropochory
    ?
  • Dispersal distance class: 2, 7
    ?

Trophic mode

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

Taxon origin

  • Origin in Europe: Neophyte
    ?

Ecology

  • Environmental relationships

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

  • Light indicator value: 8.1
    ?
  • Temperature indicator value: 8
    ?
  • Moisture indicator value: 4.2
    ?
  • Reaction indicator value: 6.5
    ?
  • Salinity indicator value: 0.4
    ?
  • Disturbance indicator values

  • Disturbance frequency: 1.78
    ?
  • Disturbance frequency (herb layer): 1.93
    ?
  • Disturbance severity: 0.81
    ?
  • Disturbance severity (herb layer): 0.8
    ?
  • Mowing frequency: 0.79
    ?
  • Grazing pressure: 0.16
    ?
  • Soil disturbance: 0.64
    ?

Habitat and sociology

  • Syntaxon

  • Diagnostic species of phytosociological classes: QB (SIS) Sisymbrietea
    ?
  • Broad habitat

  • Occurrence in broad habitats: Sparsely vegetated (incl. rock and scree), Synanthropic
    ?

Distribution

  • Continentality amplitude: 8
    ?
  • Country-based map: Euro+Med Plantbase

No subordinate taxa were found for this item.

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