Eragrostis pilosa

new search

Habitus and growth type

  • Height [m]: 0.1–0.3
    ?
  • Growth form: annual herb
    ?
  • Life form: therophyte
    ?
  • Life strategy: R – ruderal
    ?

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 anatomy: scleromorphic
    ?

Flower

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

Fruit, seed and dispersal

  • Fruit type: dry fruit – caryopsis
    ?
  • Reproduction type: only by seed/spores
    ?
  • Dispersal unit (diaspore): fruit, infrutescence or its part
    ?
  • Dispersal strategy: Allium (mainly autochory)
    ?
  • Myrmecochory: non-myrmecochorous (b)
    ?

Belowground organs and clonality

  • Shoot life span (cyclicity): monocyclic shoots prevailing
    ?
  • Primary root: absent
    ?
  • 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): 40 (20, 60)
    ?
  • Ploidy level (x): 4 (2, 6)
    ?
  • 2C genome size [Mbp]: 1461.73
    ?
  • 1Cx monoploid genome size [Mbp]: 365.43
    ?
  • Genomic GC content: 44.6 %
    ?

Taxon origin

  • Origin in the Czech Republic: neophyte
    ?
  • Invasion status: naturalized
    ?
  • Geographic origin: Asia
    ?
  • Year of the first record in the wild: 1902
    ?
  • Period of introduction: Late Modern Period (1800–1950)
    ?
  • Introduction pathway: unintentional – traffic, 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: 3 – missing on damp soil
    ?
  • Reaction indicator value: 7x – indicator of slightly acidic to slightly basic conditions, never occurring in very acidic conditions (generalist)
    ?
  • Nutrient indicator value: 6x – transition between values 5 and 7 (generalist)
    ?
  • Salinity indicator value: 1 – salt tolerant, mostly on low-salt to salt-free soils, but occasionally on slightly salty soils
    ?

Habitat and sociology

  • 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
  • Dominant taxon

    ?
  • Dominant taxon of associations: XBK02 Portulacetum oleraceae

Distribution and frequency

  • Floristic zone: southern temperate, submeridional, meridional, subtropical, tropical, austral or antarctic
    ?
  • Floristic region: Europe, Asia, Americas, circumpolar
    ?
  • Distribution range extension along the continentality gradient: 8
    ?
  • 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: 14, 17
    ?
  • 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%: 0 %
  • Mean percentage cover in vegetation plots: 42 %
  • Maximum percentage cover in vegetation plots: 42 %

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.