Veratrum album subsp. lobelianum

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Habitus and growth type

  • Life strategy (Pierce method based on leaf traits): C/CS
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  • Life strategy (Pierce method, C-score): 74.3 %
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  • Life strategy (Pierce method, S-score): 13.5 %
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  • Life strategy (Pierce method, R-score): 12.2 %
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Leaf

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

  • Flower colour: yellow-green
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  • Flower symmetry: actinomorphic
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  • Perianth type: homochlamydeous
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  • Perianth fusion: fused
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  • Shape of the sympetalous corolla or syntepalous perianth: funnel-shaped
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  • Inflorescence type: panicula
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Fruit, seed and dispersal

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

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

  • Chromosome number (2n): 32
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  • Ploidy level (x): 4
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  • 2C genome size [Mbp]: 6298.98
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  • 1Cx monoploid genome size [Mbp]: 1574.75
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  • Genomic GC content: 45 %
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Taxon origin

  • Origin in the Czech Republic: native
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Ecological indicator values

  • Ellenberg-type indicator values

  • Light indicator value: 7 – half-light plant, mostly occurring at full light, but also in the shade up to about 30% of diffuse radiation incident in an open area
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  • Temperature indicator value: 3 – cool indicator, occurring mainly in subalpine areas
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  • Moisture indicator value: 6 – transition between values 5 and 7
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  • Reaction indicator value: 5 – indicator of moderate acidity, occurring rarely in strongly acidic as well as in neutral to alkaline conditions
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  • Nutrient indicator value: 6 – transition between values 5 and 7
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  • Salinity indicator value: 0 – not salt tolerant, glycophyte
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  • Indicator values for disturbance

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  • Whole-community disturbance frequency indicator value: -1.41
  • Herb layer disturbance frequency indicator value: -0.77
  • Whole-community disturbance severity indicator value: 0.2
  • Herb layer disturbance severity indicator value: 0.2
  • Whole-community structure based disturbance indicator value: 0.32
  • Herb layer structure-based disturbance indicator value: 0.38

Habitat and sociology

  • Affinity to the forest environment

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  • Affinity to the forest environment in Mesophyticum and Oreophyticum: 2.1 – taxon occurring both in the forest and open vegetation
  • Diagnostic taxon

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  • Constant taxon

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  • Ecological specialization indices

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  • Ecological specialization index for all vegetation types: 4.2
  • Ecological specialization index for non-forest vegetation: 4.3
  • Ecological specialization index for forest vegetation: 5.2

Distribution and frequency

  • Elevational belt in the Czech Republic: colline belt, submontane belt, montane belt, subalpine belt
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  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 123, 307
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  • Commonness in vegetation plots from the Czech Republic

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  • Occurrence frequency in vegetation plots: 0.8 %
  • Occurrence frequency in vegetation plots with a cover above 5%: 7 %
  • Occurrence frequency in vegetation plots with a cover above 25%: 1.3 %
  • Occurrence frequency in vegetation plots with a cover above 50%: 0 %
  • Mean percentage cover in vegetation plots: 3.1 %
  • Maximum percentage cover in vegetation plots: 38 %

Threats and protection

  • Red List 2017 (national categories): C4a – near threatened taxon
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  • Red List 2017 (IUCN categories): LC – least concern
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  • Legal protection: vulnerable taxon
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