Ornithogalum angustifolium

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Habitus and growth type

  • Height [m]: 0.1–0.25
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  • Growth form: clonal herb
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  • Life form: geophyte
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Leaf

  • Leaf presence and metamorphosis: leaves present, not modified
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  • Leaf arrangement (phyllotaxis): rosulate
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  • Leaf shape: simple – entire
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  • Stipules: absent
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  • Petiole: absent
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Flower

  • Flowering period [month]: May–June
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  • Flower colour: white
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  • Flower symmetry: actinomorphic
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  • Perianth type: homochlamydeous
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  • Perianth fusion: free
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  • Inflorescence type: corymbus
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  • Generative reproduction type: allogamy self-incompatibility, facultative allogamy
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Fruit, seed and dispersal

  • Fruit type: dry fruit – capsule
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  • Fruit colour: brown, grey
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  • Dispersal unit (diaspore): seed
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  • Dispersal strategy: Allium (mainly autochory)
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  • Myrmecochory: myrmecochorous nv
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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): 27 (36)
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  • Ploidy level (x): 3 (4)
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  • 2C genome size [Mbp]: 21309.96
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  • 1Cx monoploid genome size [Mbp]: 7103.32
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  • Genomic GC content: 44.5 %
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Taxon origin

  • Origin in the Czech Republic: native
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Habitat and sociology

  • Occurrence in habitats

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  • 6 Meadows and mesic pastures

  • 6A Mesic Arrhenatherum meadows: 2 – optimum
  • 6C Pastures and park grasslands: 2 – optimum
  • 8 Dry grasslands

  • 8D Broad-leaved dry grasslands: 1 – rare occurrence
  • 9 Sand grasslands and rock-outcrop vegetation

  • 9C Festuca grasslands on acidic sands: 1 – rare occurrence
  • 11 Heathlands and scrub

  • 11L Tall mesic and xeric shrub: 1 – rare occurrence
  • 11N Low xeric scrub: 1 – rare occurrence
  • 12 Forests

  • 12T Robinia pseudacacia plantations: 2 – optimum
  • 12U Plantations of broad-leaved non-native trees: 1 – rare occurrence
  • 13 Anthropogenic vegetation

  • 13D Perennial thermophilous ruderal vegetation: 2 – optimum
  • Affinity to the forest environment

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  • 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

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  • Index of colonization success (ICS): 1

Distribution and frequency

  • Elevational belt in the Czech Republic: colline belt, submontane belt (lowlands)
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  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 103, 146
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  • Number of habitats with taxon occurrence in the Czech Republic

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  • Number of narrow habitats in which the taxon occurs: 9
  • Number of narrow habitats in which the taxon has its optimum: 4
  • Number of broad habitats in which the taxon occurs: 6
  • Number of broad habitats in which the taxon has its optimum: 3

Threats and protection

  • Red List 2017 (national categories): C3 – vulnerable taxon
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  • Red List 2017 (IUCN categories): NT – near threatened
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  • Legal protection: not protected by law
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