Atriplex sagittata

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Habitus and growth type

  • Height [m]:
    ?
  • Growth form: annual herb
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  • Life form: therophyte
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  • Life strategy: CR – competitor/ruderal
    ?
  • Life strategy (Pierce method based on leaf traits): CSR
    ?
  • Life strategy (Pierce method, C-score): 38.3 %
    ?
  • Life strategy (Pierce method, S-score): 29 %
    ?
  • Life strategy (Pierce method, R-score): 32.8 %
    ?

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
    ?
  • Petiole: present
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  • Leaf life span: summer green
    ?
  • Leaf anatomy: mesomorphic
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Flower

  • Flowering period [month]: July–September
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  • Flowering phase: 8 Clematis vitalba-Galium sylvaticum (mid-summer)
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  • Flower colour: green
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  • Flower symmetry: actinomorphic
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  • Perianth type: homochlamydeous, sometimes absent
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  • Perianth fusion: free, fused
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  • Inflorescence type: pseudospica
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  • Dicliny: monoecious
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  • Generative reproduction type: mixed mating
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  • Pollination syndrome: wind-pollination, insect-pollination
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Fruit, seed and dispersal

  • Fruit type: dry fruit – achene/cypsela/samara
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  • Fruit colour: brown, black
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  • Reproduction type: only by seed/spores
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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: non-myrmecochorous (b)
    ?

Belowground organs and clonality

  • Shoot life span (cyclicity): monocyclic shoots prevailing
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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):
  • 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):
  • Depth of the belowground bud bank (root buds exluded) [cm]:
  • 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):
  • Depth of the belowground bud bank (root buds included) [cm]:

Trophic mode

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

  • Chromosome number (2n): 18
    ?
  • Ploidy level (x): 2
    ?
  • 2C genome size [Mbp]: 1923.23
    ?
  • 1Cx monoploid genome size [Mbp]: 961.61
    ?
  • Genomic GC content: 39.1 %
    ?

Taxon origin

  • Origin in the Czech Republic: archaeophyte
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  • Invasion status: invasive
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  • Geographic origin: Europe, Mediterranean, Asia
    ?
  • Period of introduction: Neolithic (5600–4200 BCE)
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  • Introduction pathway: unintentional – anthropogenic
    ?

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: 5x – indicator of fresh soils, focus on soils of average moisture, missing on wet and on soils that frequently dry out (generalist)
    ?
  • Reaction indicator value: 7 – indicator of slightly acidic to slightly basic conditions, never occurring in very acidic conditions
    ?
  • Nutrient indicator value: 7 – occurring at nutrient-rich sites more often than at average sites and only exceptionally at poor sites
    ?
  • Salinity indicator value: 1 – salt tolerant, mostly on low-salt to salt-free soils, but occasionally on slightly salty soils
    ?
  • Indicator values for disturbance

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  • Whole-community disturbance frequency indicator value: -0.17
  • Herb layer disturbance frequency indicator value: -0.17
  • Whole-community disturbance severity indicator value: 0.85
  • Herb layer disturbance severity indicator value: 0.85
  • Whole-community structure based disturbance indicator value: 0.53
  • Herb layer structure-based disturbance indicator value: 0.56

Habitat and sociology

  • Occurrence in habitats

    ?
  • 4 Wetland and riverine herbaceous vegetation

  • 4A Reed-beds of eutrophic still waters: 1 – rare occurrence
  • 4D Riverine reed vegetation: 1 – rare occurrence
  • 4I Vegetation of nitrophilous annual hygrophilous herbs: 1 – rare occurrence
  • 4L Nitrophilous herbaceous fringes of lowland rivers: 2 – optimum
  • 11 Heathlands and scrub

  • 11R Scrub and pioneer woodland of forests clearings: 1 – rare occurrence
  • 12 Forests

  • 12T Robinia pseudacacia plantations: 1 – rare occurrence
  • 12U Plantations of broad-leaved non-native trees: 1 – rare occurrence
  • 13 Anthropogenic vegetation

  • 13A Annual vegetation of ruderal habitats: 3 – dominant
  • 13B Annual vegetation of arable land: 1 – rare occurrence
  • 13C Annual vegetation of trampled habitats: 1 – rare occurrence
  • 13D Perennial thermophilous ruderal vegetation: 2 – optimum
  • 13E Perennial nitrophilous herbaceous vegetation of mesic sites: 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 taxon

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  • Constant taxon

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  • Dominant taxon

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  • Dominant taxon of associations: XBG03 Atriplicetum nitentis
  • Ecological specialization indices

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

    ?
  • Index of colonization success (ICS): 6
  • Index of colonization potential (ICP): 4
  • Optimum successional age [years]: 5

Distribution and frequency

  • Floristic zone: northern temperate, southern temperate, submeridional, meridional
    ?
  • Floristic region: Europe, Western Asia
    ?
  • Continentality degree: 8
    ?
  • Distribution range extension along the continentality gradient: 7
    ?
  • Elevational belt in the Czech Republic: lowlands, colline belt, submontane belt
    ?
  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 450, 1065
    ?
  • Commonness in vegetation plots from the Czech Republic

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  • Occurrence frequency in vegetation plots: 1.3 %
  • Occurrence frequency in vegetation plots with a cover above 5%: 32.1 %
  • Occurrence frequency in vegetation plots with a cover above 25%: 26.9 %
  • Occurrence frequency in vegetation plots with a cover above 50%: 22.1 %
  • Mean percentage cover in vegetation plots: 20.9 %
  • Maximum percentage cover in vegetation plots: 99 %
  • Number of habitats with taxon occurrence in the Czech Republic

    ?
  • Number of narrow habitats in which the taxon occurs: 12
  • Number of narrow habitats in which the taxon has its optimum: 3
  • Number of broad habitats in which the taxon occurs: 4
  • Number of broad habitats in which the taxon has its optimum: 2

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)
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  • Legal protection: not protected by law
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