Larix decidua subsp. decidua

new search

Habitus and growth type

  • Height [m]:
    ?
  • Growth form: tree
    ?
  • Life form: macrophanerophyte
    ?
  • Life strategy: C – competitor
    ?
  • Life strategy (Pierce method based on leaf traits): S
    ?
  • Life strategy (Pierce method, C-score): 0 %
    ?
  • Life strategy (Pierce method, S-score): 96.1 %
    ?
  • Life strategy (Pierce method, R-score): 3.9 %
    ?

Leaf

  • Leaf presence and metamorphosis: leaves present, not modified
    ?
  • Leaf arrangement (phyllotaxis): alternate
    ?
  • Leaf shape: simple – entire
    ?
  • Stipules: absent
    ?
  • Petiole: absent
    ?
  • Leaf life span: summer green
    ?
  • Leaf deciduousness in woody plants: winter deciduous
    ?
  • Leaf anatomy: mesomorphic
    ?
  • Functional leaf type in woody plants: needle-like
    ?

Flower

  • Flowering phase: 2 Acer platanoides-Anemone nemorosa (start of early spring)
    ?
  • Dicliny: monoecious
    ?
  • Generative reproduction type: allogamy
    ?
  • Pollination syndrome: wind-pollination
    ?

Fruit, seed and dispersal

  • Reproduction type: only by seed/spores
    ?
  • Dispersal unit (diaspore): seed
    ?
  • Dispersal strategy: Epilobium (mainly anemochory and autochory)
    ?
  • Myrmecochory: non-myrmecochorous (b)
    ?

Belowground organs and clonality

  • Bud bank

    ?
  • Number of buds per shoot at the soil surface (root buds excluded):
  • Number of buds per shoot at a depth of 0–10 cm (root buds excluded):
  • Number of buds per shoot at a depth greater than 10 cm (root buds excluded):
  • Size of the belowground bud bank (root buds excluded):
  • Number of buds per shoot at the soil surface (root buds included):
  • Number of buds per shoot at a depth of 0–10 cm (root buds included):
  • Number of buds per shoot at a depth greater than 10 cm (root buds included):
  • Size of the belowground bud bank (root buds included):

Trophic mode

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

Karyology

  • Chromosome number (2n): 24
    ?
  • Ploidy level (x): 2
    ?
  • 2C genome size [Mbp]: 22045.87
    ?
  • 1Cx monoploid genome size [Mbp]: 11022.93
    ?
  • Genomic GC content: 41.4 %
    ?

Taxon origin

  • Origin in the Czech Republic: native
    ?

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
    ?
  • Temperature indicator value: 4 – transition between values 3 and 5
    ?
  • Moisture indicator value: 4 – transition between values 3 and 5
    ?
  • Reaction indicator value: 5x – indicator of moderate acidity, occurring rarely in strongly acidic as well as in neutral to alkaline conditions (generalist)
    ?
  • Nutrient indicator value: 4 – transition between values 3 and 5
    ?
  • Salinity indicator value: 0 – not salt tolerant, glycophyte
    ?
  • Indicator values for disturbance

    ?
  • Whole-community disturbance frequency indicator value: -1.95
  • Herb layer disturbance frequency indicator value: -0.72
  • Whole-community disturbance severity indicator value: 0.28
  • Herb layer disturbance severity indicator value: 0.11
  • Whole-community structure based disturbance indicator value: 0.03
  • Herb layer structure-based disturbance indicator value: 0.1

Habitat and sociology

  • Occurrence in habitats

    ?
  • 1 Vegetation of cliffs, screes and walls

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

  • 8A Hercynian dry grasslands on rock outcrops: 1 – rare occurrence
  • 8B Submediterranean dry grasslands on rock outcrops: 1 – rare occurrence
  • 8F Thermophilous forest fringe vegetation: 1 – rare occurrence
  • 11 Heathlands and scrub

  • 11A Dry lowland to subalpine heathlands: 1 – rare occurrence
  • 11L Tall mesic and xeric shrub: 1 – rare occurrence
  • 11R Scrub and pioneer woodland of forests clearings: 1 – rare occurrence
  • 12 Forests

  • 12B Alluvial forests: 1 – rare occurrence
  • 12C Oak-hornbeam forests: 1 – rare occurrence
  • 12D Ravine forests: 1 – rare occurrence
  • 12E Herb-rich beech forests: 1 – rare occurrence
  • 12F Limestone beech forests: 1 – rare occurrence
  • 12G Acidophilous beech forests: 1 – rare occurrence
  • 12H Peri-Alpidic basiphilous thermophilous oak forests: 1 – rare occurrence
  • 12I Sub-continental thermophilous oak forests: 1 – rare occurrence
  • 12J Acidophilous thermophilous oak forests: 1 – rare occurrence
  • 12K Acidophilous oak forests: 2 – optimum
  • 12L Boreo-continental pine forests: 1 – rare occurrence
  • 12O Peri-Alpidic pine forests: 1 – rare occurrence
  • 12T Robinia pseudacacia plantations: 1 – rare occurrence
  • 12U Plantations of broad-leaved non-native trees: 1 – rare occurrence
  • 12V Spruce plantations: 2 – optimum
  • 12W Pine and larch plantations: 3 – dominant
  • 13 Anthropogenic vegetation

  • 13F Herbaceous vegetation of forests clearings and Rubus scrub: 1 – rare occurrence
  • 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
  • Diagnostic taxon

    ?
  • Diagnostic taxon of associations: LFB04 Asplenio cuneifolii-Pinetum sylvestris
  • Ecological specialization indices

    ?
  • Ecological specialization index for all vegetation types: 4.6
  • Ecological specialization index for non-forest vegetation: 3.8
  • Ecological specialization index for forest vegetation: 4.7
  • Colonization ability

    ?
  • Index of colonization success (ICS): 7
  • Index of colonization potential (ICP): 9
  • Optimum successional age [years]: 8

Distribution and frequency

  • Floristic zone: northern temperate, southern temperate, submeridional
    ?
  • Floristic region: Europe
    ?
  • Continentality degree: 6
    ?
  • Distribution range extension along the continentality gradient: 2
    ?
  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 646, 2228
    ?
  • Commonness in vegetation plots from the Czech Republic

    ?
  • Occurrence frequency in vegetation plots: 0.5 %
  • Occurrence frequency in vegetation plots with a cover above 5%: 17.2 %
  • Occurrence frequency in vegetation plots with a cover above 25%: 1.3 %
  • Occurrence frequency in vegetation plots with a cover above 50%: 0.7 %
  • Mean percentage cover in vegetation plots: 4.6 %
  • Maximum percentage cover in vegetation plots: 63 %
  • Number of habitats with taxon occurrence in the Czech Republic

    ?
  • Number of narrow habitats in which the taxon occurs: 26
  • Number of narrow habitats in which the taxon has its optimum: 3
  • Number of broad habitats in which the taxon occurs: 5
  • Number of broad habitats in which the taxon has its optimum: 1

Threats and protection

  • Red List 2017 (national categories): taxon is not on the Red List
    ?
  • Red List 2017 (IUCN categories): LC(NA) – least concern (taxon is not on the Red List)
    ?
  • Legal protection: not protected by law
    ?
This web page uses for the attendance analysis cookies. By using this web you agree with this. More info.