Sedum album

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Habitus and growth type

  • Height [m]: 0.05–0.2
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  • Growth form: clonal herb
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  • Life form: chamaephyte
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  • Life strategy: S – stress-tolerator
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  • Life strategy (Pierce method based on leaf traits): S
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  • Life strategy (Pierce method, C-score): 0 %
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  • Life strategy (Pierce method, S-score): 91.9 %
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  • Life strategy (Pierce method, R-score): 8.1 %
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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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  • Leaf life span: evergreen
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  • Leaf anatomy: succulent
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Flower

  • Flowering period [month]: June
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  • Flowering phase: 8 Clematis vitalba-Galium sylvaticum (mid-summer)
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  • Flower colour: white
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  • Flower symmetry: actinomorphic
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  • Perianth type: calyx and corolla
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  • Perianth fusion: free
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  • Calyx fusion: fused at the base
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  • Inflorescence type: corymbothyrsus
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  • Dicliny: synoecious
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  • Generative reproduction type: facultative allogamy
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  • Pollination syndrome: insect-pollination, selfing
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Fruit, seed and dispersal

  • Fruit type: dry fruit – cluster of follicles
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  • Fruit colour: brown
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  • Reproduction type: by seed/spores and vegetatively
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  • Dispersal unit (diaspore): seed, shoot fragment
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  • Dispersal strategies: Allium (mainly autochory)
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  • Myrmecochory: myrmecochorous
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Belowground organs and clonality

  • Shoot metamorphosis: stolon, shoot succulence
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  • Storage organ: stolon, succulence
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  • Type of clonal growth organ: stolon
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  • Freely dispersible organs of clonal growth: absent
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  • Shoot life span (cyclicity): dicyclic or polycyclic shoots prevailing
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  • Branching type of stem-derived organs of clonal growth: sympodial
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  • Primary root: absent
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  • Persistence of the clonal growth organ [year]: 4
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  • Number of clonal offspring: 6
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  • Lateral spreading distance by clonal growth [m]: 0.07
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  • Clonal index: 5
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  • Bud bank

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  • Number of buds per shoot at the soil surface (root buds excluded): 15
  • Number of buds per shoot at a depth of 0–10 cm (root buds excluded): 3
  • Number of buds per shoot at a depth greater than 10 cm (root buds excluded): 0
  • Size of the belowground bud bank (root buds excluded): 18
  • Depth of the belowground bud bank (root buds exluded) [cm]: 2
  • Number of buds per shoot at the soil surface (root buds included): 15
  • Number of buds per shoot at a depth of 0–10 cm (root buds included): 3
  • Number of buds per shoot at a depth greater than 10 cm (root buds included): 0
  • Size of the belowground bud bank (root buds included): 18
  • Depth of the belowground bud bank (root buds included) [cm]: 2

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): 64 (68)
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  • Ploidy level (x): 8
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  • 2C genome size [Mbp]: 970.4
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  • 1Cx monoploid genome size [Mbp]: 121.3
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  • Genomic GC content: 41.7 %
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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: 8 – light plant, only exceptionally occurring at less than 40% of diffuse radiation incident in an open area
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  • Temperature indicator value: 6 – transition between values 5 and 7
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  • Moisture indicator value: 2 – transition between values 1 and 3
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  • Reaction indicator value: 8x – transition between values 7 and 9, occurring mostly in calcium-rich conditions (generalist)
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  • Nutrient indicator value: 3 – occurring at nutrient-poor sites more frequently than at average sites and exceptionally at rich sites
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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: -0.73
  • Herb layer disturbance frequency indicator value: -0.67
  • Whole-community disturbance severity indicator value: 0.23
  • Herb layer disturbance severity indicator value: 0.27
  • Whole-community structure based disturbance indicator value: 0.6
  • Herb layer structure-based disturbance indicator value: 0.57

Habitat and sociology

  • Occurrence in habitats

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  • 1 Vegetation of cliffs, screes and walls

  • 1A Calcareous cliffs: 2 – optimum
  • 1B Siliceous cliffs and block fields: 2 – optimum
  • 1C Walls: 1 – rare occurrence
  • 1D Mobile calcareous screes: 2 – optimum
  • 8 Dry grasslands

  • 8A Hercynian dry grasslands on rock outcrops: 2 – optimum
  • 8B Submediterranean dry grasslands on rock outcrops: 2 – optimum
  • 8C Narrow-leaved sub-continental steppes: 2 – optimum
  • 8D Broad-leaved dry grasslands: 1 – rare occurrence
  • 8E Acidophilous dry grasslands: 1 – rare occurrence
  • 8F Thermophilous forest fringe vegetation: 1 – rare occurrence
  • 9 Sand grasslands and rock-outcrop vegetation

  • 9E Acidophilous vegetation of spring therophytes and succulents: 1 – rare occurrence
  • 9F Basiphilous vegetation of spring therophytes and succulents: 3 – dominant
  • 11 Heathlands and scrub

  • 11L Tall mesic and xeric shrub: 1 – rare occurrence
  • 11N Low xeric scrub: 2 – optimum
  • 12 Forests

  • 12D Ravine forests: 1 – rare occurrence
  • 12H Peri-Alpidic basiphilous thermophilous oak forests: 1 – rare occurrence
  • 12J Acidophilous thermophilous oak forests: 1 – rare occurrence
  • 12L Boreo-continental pine forests: 1 – rare occurrence
  • 12O Peri-Alpidic pine forests: 1 – rare occurrence
  • 12T Robinia pseudacacia plantations: 1 – rare occurrence
  • 12W Pine and larch plantations: 1 – rare occurrence
  • 13 Anthropogenic vegetation

  • 13D Perennial thermophilous ruderal vegetation: 1 – rare occurrence
  • Affinity to the forest environment

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  • Affinity to the forest environment in Thermophyticum: 2.2 – taxon occurring partly in the forest, but mainly in open vegetation
  • Affinity to the forest environment in Mesophyticum and Oreophyticum: 2.2 – taxon occurring partly in the forest, but mainly in open vegetation
  • Diagnostic taxon

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  • Constant taxon

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  • Dominant taxon

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  • Dominant taxon of associations: TFF02 Alysso alyssoidis-Sedetum
  • Ecological specialization indices

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  • Ecological specialization index for all vegetation types: 4.3
  • Ecological specialization index for non-forest vegetation: 4.3
  • Ecological specialization index for forest vegetation: 4.7
  • Colonization ability

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  • Index of colonization success (ICS): 7
  • Index of colonization potential (ICP): 7
  • Optimum successional age [years]: 16

Distribution and frequency

  • Floristic zone: northern temperate, southern temperate, submeridional, meridional
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  • Floristic region: Europe
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  • Distribution range extension along the continentality gradient: 5
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  • Elevational belt in the Czech Republic: colline belt, submontane belt
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  • Occurrence frequency in the basic grid mapping cells and in quadrants of the basic grid mapping cells: 293, 480
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  • Commonness in vegetation plots from the Czech Republic

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  • Occurrence frequency in vegetation plots: 1 %
  • Occurrence frequency in vegetation plots with a cover above 5%: 28.4 %
  • Occurrence frequency in vegetation plots with a cover above 25%: 8.6 %
  • Occurrence frequency in vegetation plots with a cover above 50%: 0.7 %
  • Mean percentage cover in vegetation plots: 7.7 %
  • Maximum percentage cover in vegetation plots: 88 %
  • Number of habitats with taxon occurrence in the Czech Republic

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  • Number of narrow habitats in which the taxon occurs: 22
  • Number of narrow habitats in which the taxon has its optimum: 8
  • Number of broad habitats in which the taxon occurs: 6
  • Number of broad habitats in which the taxon has its optimum: 4

Threats and protection

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