Thymus pulegioides

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Habitus and growth type

  • Height [m]: 0.05–0.4
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  • Growth form: dwarf shrub
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  • Life form: chamaephyte
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  • Life strategy: CSR – competitor/stress-tolerator/ruderal
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  • Life strategy (Pierce method based on leaf traits): S/SR
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  • Life strategy (Pierce method, C-score): 0 %
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  • Life strategy (Pierce method, S-score): 76.8 %
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  • Life strategy (Pierce method, R-score): 23.2 %
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Leaf

  • Leaf presence and metamorphosis: leaves present, not modified
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  • Leaf arrangement (phyllotaxis): opposite
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  • Leaf shape: simple – entire
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  • Stipules: absent
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  • Petiole: present
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  • Leaf life span: evergreen
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  • Leaf deciduousness in woody plants: evergreen
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  • Leaf anatomy: scleromorphic
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  • Functional leaf type in woody plants: sclerophyllous
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Flower

  • Flowering period [month]: July-October
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  • Flowering phase: 6 Cornus sanguinea-Melica uniflora (start of early summer)
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  • Flower colour: pink
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  • Flower symmetry: zygomorphic
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  • Perianth type: calyx and corolla
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  • Perianth fusion: fused
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  • Shape of the sympetalous corolla or syntepalous perianth: bilabiate
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  • Calyx fusion: synsepalous
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  • Inflorescence type: pseudospica e verticillastris composita
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  • Dicliny: gynodioecious
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  • Generative reproduction type: facultative allogamy
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  • Pollination syndrome: insect-pollination
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Fruit, seed and dispersal

  • Fruit type: dry fruit – cluster of four one-seeded nutlets
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  • Fruit colour: brown
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  • Reproduction type: mostly by seed/spores, rarely vegetatively
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  • Dispersal unit (diaspore): fruit, infrutescence or its part
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  • Dispersal strategy: Allium (mainly autochory)
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  • Myrmecochory: probably myrmecochorous
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Belowground organs and clonality

  • Shoot metamorphosis: stolon
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  • Shoot life span (cyclicity): monocyclic shoots prevailing
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  • Branching type of stem-derived organs of clonal growth: sympodial
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  • Primary root: present
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  • Bud bank

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  • Number of buds per shoot at the soil surface (root buds excluded): 13
  • Number of buds per shoot at a depth of 0–10 cm (root buds excluded): 13
  • 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): 25
  • Depth of the belowground bud bank (root buds exluded) [cm]: 3
  • Number of buds per shoot at the soil surface (root buds included): 13
  • Number of buds per shoot at a depth of 0–10 cm (root buds included): 13
  • 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): 25
  • Depth of the belowground bud bank (root buds included) [cm]: 3

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): 28
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  • Ploidy level (x): 4
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  • 2C genome size [Mbp]: 1216.21
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  • 1Cx monoploid genome size [Mbp]: 304.05
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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: 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: 6 – transition between values 5 and 7
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  • Moisture indicator value: 4 – transition between values 3 and 5
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  • Reaction indicator value: 6x – transition between values 5 and 7 (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: -0.39
  • Whole-community disturbance severity indicator value: 0.26
  • Herb layer disturbance severity indicator value: 0.29
  • Whole-community structure based disturbance indicator value: 0.55
  • Herb layer structure-based disturbance indicator value: 0.66

Habitat and sociology

  • Occurrence in habitats

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  • 1 Vegetation of cliffs, screes and walls

  • 1A Calcareous cliffs: 1 – rare occurrence
  • 1B Siliceous cliffs and block fields: 1 – rare occurrence
  • 1C Walls: 1 – rare occurrence
  • 1D Mobile calcareous screes: 1 – rare occurrence
  • 5 Vegetation of springs and mires

  • 5D Calcareous fens: 1 – rare occurrence
  • 6 Meadows and mesic pastures

  • 6A Mesic Arrhenatherum meadows: 2 – optimum
  • 6B Montane mesic meadows: 1 – rare occurrence
  • 6C Pastures and park grasslands: 2 – optimum
  • 6F Intermittently wet Molinia meadows: 1 – rare occurrence
  • 7 Acidophilous grasslands

  • 7A Subalpine and montane acidophilous grasslands: 2 – optimum
  • 7B Submontane Nardus grasslands: 2 – optimum
  • 8 Dry grasslands

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

  • 9B Open vegetation of acidic sands: 1 – rare occurrence
  • 9C Festuca grasslands on acidic sands: 1 – rare occurrence
  • 9E Acidophilous vegetation of spring therophytes and succulents: 2 – optimum
  • 9F Basiphilous vegetation of spring therophytes and succulents: 1 – rare occurrence
  • 11 Heathlands and scrub

  • 11A Dry lowland to subalpine heathlands: 1 – rare occurrence
  • 11H Subalpine deciduous scrub: 1 – rare occurrence
  • 11L Tall mesic and xeric shrub: 1 – rare occurrence
  • 11N Low xeric scrub: 1 – rare occurrence
  • 12 Forests

  • 12C Oak-hornbeam forests: 1 – rare occurrence
  • 12D Ravine forests: 1 – rare occurrence
  • 12F Limestone 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: 2 – optimum
  • 12K Acidophilous oak forests: 2 – optimum
  • 12L Boreo-continental pine forests: 2 – optimum
  • 12O Peri-Alpidic pine forests: 2 – optimum
  • 12T Robinia pseudacacia plantations: 1 – rare occurrence
  • 12W Pine and larch plantations: 1 – rare occurrence
  • 13 Anthropogenic vegetation

  • 13C Annual vegetation of trampled habitats: 1 – rare occurrence
  • 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: TEC02 Campanulo rotundifoliae-Dianthetum deltoidis
  • Ecological specialization indices

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  • Ecological specialization index for all vegetation types: 4.9
  • Ecological specialization index for non-forest vegetation: 5
  • 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): 4
  • Optimum successional age [years]: 30

Distribution and frequency

  • Floristic zone: northern temperate, southern temperate, submeridional
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  • Floristic region: Europe
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  • Continentality degree: 4
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  • Distribution range extension along the continentality gradient: 4
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  • Elevational belt in the Czech Republic: lowlands, colline belt, submontane belt, montane belt
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  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 624, 2020
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  • Commonness in vegetation plots from the Czech Republic

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  • Occurrence frequency in vegetation plots: 3.1 %
  • Occurrence frequency in vegetation plots with a cover above 5%: 13 %
  • Occurrence frequency in vegetation plots with a cover above 25%: 1.6 %
  • Occurrence frequency in vegetation plots with a cover above 50%: 0 %
  • Mean percentage cover in vegetation plots: 4 %
  • Maximum percentage cover in vegetation plots: 38 %
  • Number of habitats with taxon occurrence in the Czech Republic

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  • Number of narrow habitats in which the taxon occurs: 38
  • Number of narrow habitats in which the taxon has its optimum: 13
  • Number of broad habitats in which the taxon occurs: 9
  • Number of broad habitats in which the taxon has its optimum: 5

Threats and protection

  • Legal protection: not protected by law
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