Scirpoides holoschoenus

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Habitus and growth type

  • Height [m]: 0.5
    ?
  • Growth form: clonal herb
    ?
  • Life form: hemicryptophyte
    ?
  • Life strategy: CS – competitor/stress-tolerator
    ?
  • Life strategy (Pierce method based on leaf traits): S/CS
    ?
  • Life strategy (Pierce method, C-score): 18.6 %
    ?
  • Life strategy (Pierce method, S-score): 81.4 %
    ?
  • Life strategy (Pierce method, R-score): 0 %
    ?

Leaf

  • Leaf presence and metamorphosis: leaves present, not modified
    ?
  • Leaf arrangement (phyllotaxis): alternate
    ?
  • Leaf shape: simple – entire
    ?
  • Stipules: absent
    ?
  • Petiole: absent
    ?
  • Leaf life span: evergreen
    ?
  • Leaf anatomy: helomorphic
    ?

Flower

  • Flowering period [month]: June–July
    ?
  • Flower colour: brown
    ?
  • Perianth type: reduced
    ?
  • Perianth fusion: reduced
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  • Inflorescence type: anthella e spiculis composita
    ?
  • Dicliny: synoecious
    ?
  • Pollination syndrome: wind-pollination
    ?

Fruit, seed and dispersal

  • Fruit type: dry fruit – achene/cypsela/samara
    ?
  • Reproduction type: by seed/spores and vegetatively
    ?
  • Dispersal unit (diaspore): fruit, infrutescence or its part
    ?
  • Dispersal strategy: Allium (mainly autochory)
    ?
  • Myrmecochory: probably non-myrmecochorous
    ?

Belowground organs and clonality

  • Shoot metamorphosis: rhizome
    ?
  • Storage organ: rhizome
    ?
  • Type of clonal growth organ: hypogeogenous rhizome
    ?
  • Freely dispersible organs of clonal growth: absent
    ?
  • Shoot life span (cyclicity): monocyclic shoots prevailing
    ?
  • Branching type of stem-derived organs of clonal growth: sympodial
    ?
  • Primary root: absent
    ?
  • Persistence of the clonal growth organ [year]:
    ?
  • Number of clonal offspring:
    ?
  • Lateral spreading distance by clonal growth [m]: 0.13
    ?
  • Clonal index: 4
    ?
  • 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):
  • 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
    ?

Karyology

  • Chromosome number (2n): 42, 70, 84
    ?
  • Ploidy level (x): 2
    ?
  • 2C genome size [Mbp]: 461.87
    ?
  • 1Cx monoploid genome size [Mbp]: 230.94
    ?
  • Genomic GC content: 36.1 %
    ?

Taxon origin

  • Origin in the Czech Republic: native
    ?

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
    ?
  • Temperature indicator value: 6 – transition between values 5 and 7
    ?
  • Moisture indicator value: 7 – humidity indicator, focus on well moistened, but not wet soils
    ?
  • Reaction indicator value: 7 – indicator of slightly acidic to slightly basic conditions, never occurring in very acidic conditions
    ?
  • Nutrient indicator value: 4 – transition between values 3 and 5
    ?
  • Salinity indicator value: 3 – β-mesohaline, mostly on soils with low salt content
    ?

Habitat and sociology

  • Occurrence in habitats

    ?
  • 5 Vegetation of springs and mires

  • 5D Calcareous fens: 2 – optimum
  • 6 Meadows and mesic pastures

  • 6F Intermittently wet Molinia meadows: 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
  • 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
  • Colonization ability

    ?
  • Index of colonization success (ICS): 1

Distribution and frequency

  • Floristic zone: southern temperate, submeridional, meridional, subtropical
    ?
  • Floristic region: Europe, Western Asia
    ?
  • Distribution range extension along the continentality gradient: 9
    ?
  • Elevational belt in the Czech Republic: lowlands, colline belt
    ?
  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 37, 60
    ?
  • Commonness in vegetation plots from the Czech Republic

    ?
  • Occurrence frequency in vegetation plots: 0 %
  • Occurrence frequency in vegetation plots with a cover above 5%: 0 %
  • Occurrence frequency in vegetation plots with a cover above 25%: 0 %
  • Occurrence frequency in vegetation plots with a cover above 50%: 0 %
  • Mean percentage cover in vegetation plots: 2 %
  • Maximum percentage cover in vegetation plots: 2 %
  • 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: 2
  • Number of broad habitats in which the taxon occurs: 3
  • Number of broad habitats in which the taxon has its optimum: 2

Threats and protection

  • Red List 2017 (national categories): C2b – endangered taxon, rare and declining
    ?
  • Red List 2017 (IUCN categories): EN – endangered
    ?
  • Legal protection: not protected by law
    ?
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