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Prunus tenella

Habitus and growth type

  • Height [m]: 0.2-1.5 ?
  • Growth form: tree or shrub ?
  • Life form: nanophanerophyte ?

Leaf

  • Leaf presence and metamorphosis: leaves present ?
  • Leaf arrangement (phyllotaxis): alternate ?
  • Leaf type: simple ?
  • Simple leaf type: entire ?
  • Stipules: present ?
  • Petiole: present ?

Flower

  • Flowering period [month]: March-May ?
  • Flower colour: white, pink ?
  • Flower symmetry: actinomorphic ?
  • Perianth: calyx and corolla ?
  • Fusion of the perianth: free ?
  • Calyx fusion: aposepalous ?
  • Inflorescence type: flores solitarii ?
  • Generative reproduction mode: allogamy self-incompatibility ?

Fruit, seed and dispersal

  • Fruit type: fleshy fruit - drupe ?
  • Fruit colour: yellow, gray ?
  • Dispersal unit (diaspore): seed, fruit, infrutescence or its part ?
  • Myrmecochory: 5 - non-myrmecochorous (b): elaiosome not present and taxon not reported as myrmecochorous in the literature ?
  • Dispersal strategy: Cornus ?

Belowground organs and clonality

  • Position of root buds: lateral roots ?
  • Role of root buds in life-history of a plant: regenerative ?
  •   Bud bank ?
  • Number of buds per shoot at the soil surface (root buds excluded): 0
  • Number of buds per shoot at a depth of 0–10 cm (root buds excluded): 5
  • Number of buds per shoot at a depth greater than 10 cm (root buds excluded): 5
  • Size of the belowground bud bank (root buds excluded): 10
  • Depth of the belowground bud bank (root buds exluded) [cm]: 10
  • Number of buds per shoot at the soil surface (root buds included): 0
  • Number of buds per shoot at a depth of 0–10 cm (root buds included): 20
  • Number of buds per shoot at a depth greater than 10 cm (root buds included): 20
  • Size of the belowground bud bank (root buds included): 40
  • Depth of the belowground bud bank (root buds included) [cm]: 10

Trophic mode

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

Karyology

  • Chromosome number (2n): 16 ?
  • Ploidy level (x): 2 ?
  • 2C genome size (Mbp): 443.96 ?
  • 1Cx monoploid genome size (Mbp): 221.98 ?
  • Genomic GC content: 39.9 % ?

Taxon origin

  • Origin in the Czech Republic: native ?

Ecological indicator values

  •   Ellenberg-type indicator values
  • Light indicator value: 9 - full light plant, occurring only in fully irradiated places, not at less than 50% of diffuse radiation incident in an open area ?
  • Temperature indicator value: 7 - heat indicator, occurring in relatively warm lowlands ?
  • Moisture indicator value: 3 - missing on damp soil ?
  • Reaction indicator value: 8 - between 7 and 9, occurring mostly in calcium-rich conditions ?
  • Nutrient indicator value: 4 - between 3 and 5 ?
  • Salinity indicator value: 0 - not salt tolerant, glycophyte ?

Habitat and sociology

  •   Occurrence in habitats ?
  •   8 Dry grasslands
  • 8D Broad-leaved dry grasslands: 1 - rare occurrence
  • 8F Thermophilous forest fringe vegetation: 1 - rare occurrence
  •   11 Heathlands and scrub
  • 11N Low xeric scrub: 2 - optimum
  •   13 Anthropogenic vegetation
  • 13D Perennial thermophilous ruderal vegetation: 1 - rare occurrence
  •   Affinity to the forest environment ?
  • Affinity to the forest environment in Thermophyticum: 0 - taxon that does not spontaneously occur in Czech forests
  • Affinity to the forest environment in Mesophyticum and Oreophyticum: 0 - taxon that does not spontaneously occur in Czech forests
  •   Diagnostic taxa ?
  •   Constant taxa ?
  •   Dominant taxa ?

Distribution and frequency

  • Altitudinal belt in the Czech Republic: lowlands, colline belt ?
  • Occurrence frequency in the basic grid mapping cells and in quadrants of the basic grid mapping cells: 20, 29 ?
  •   Commonness in vegetation plots from the Czech Republic ?
  • Occurrence frequency in vegetation plots: 0 %
  • Occurrence frequency in vegetation plots with a cover above 5%: 100 %
  • Occurrence frequency in vegetation plots with a cover above 25%: 100 %
  • Occurrence frequency in vegetation plots with a cover above 50%: 100 %
  • Mean percentage cover in vegetation plots: 79.7 %
  • Maximum percentage cover in vegetation plots: 88 %
  •   Number of habitats with taxon occurrence in the Czech Republic ?
  • Number of narrow habitats in which the taxon occurs: 4
  • Number of narrow habitats in which the taxon has its optimum: 1
  • Number of broad habitats in which the taxon occurs: 3
  • Number of broad habitats in which the taxon has its optimum: 1

Threats and protection

  • Red List 2017 (national categories): C1r - critically threatened taxon, rare ?
  • Red List 2017 (IUCN categories): EN - endangered ?
  • Legal protection: critically threatened taxon ?

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