Armeria elongata

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Habitus and growth type

  • Height [m]: 0.1–0.5
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  • Growth form: polycarpic perennial non-clonal herb
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  • Life form: hemicryptophyte
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  • Life strategy: CSR – competitor/stress-tolerator/ruderal
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  • Life strategy (Pierce method based on leaf traits): R/CSR
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  • Life strategy (Pierce method, C-score): 15.6 %
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  • Life strategy (Pierce method, S-score): 29.9 %
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  • Life strategy (Pierce method, R-score): 54.5 %
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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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  • Leaf life span: evergreen
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  • Leaf anatomy: scleromorphic, mesomorphic
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Flower

  • Flowering period [month]: May–September
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  • Flowering phase: 5 Sorbus aucuparia-Galium odoratum (end of mid-spring)
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  • Flower colour: pink
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  • Flower symmetry: actinomorphic
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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: funnel-shaped
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  • Calyx fusion: synsepalous
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  • Inflorescence type: capitulum
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  • Dicliny: synoecious
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  • Generative reproduction type: allogamy self-incompatibility
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  • Pollination syndrome: insect-pollination, selfing
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Fruit, seed and dispersal

  • Fruit type: dry fruit – capsule
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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): seed
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  • Dispersal strategy: Allium (mainly autochory)
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  • Myrmecochory: non-myrmecochorous (b)
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Belowground organs and clonality

  • Shoot metamorphosis: pleiocorm
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  • Storage organ: pleiocorm
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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): 18
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  • Ploidy level (x): 2
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  • 2C genome size [Mbp]: 8462.57
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  • 1Cx monoploid genome size [Mbp]: 4231.28
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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: 3 – missing on damp soil
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  • Reaction indicator value: 5 – indicator of moderate acidity, occurring rarely in strongly acidic as well as in neutral to alkaline conditions
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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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Habitat and sociology

  • Occurrence in habitats

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  • 1 Vegetation of cliffs, screes and walls

  • 1B Siliceous cliffs and block fields: 1 – rare occurrence
  • 6 Meadows and mesic pastures

  • 6A Mesic Arrhenatherum meadows: 2 – optimum
  • 8 Dry grasslands

  • 8A Hercynian dry grasslands on rock outcrops: 1 – rare occurrence
  • 8B Submediterranean dry grasslands on rock outcrops: 1 – rare occurrence
  • 8C Narrow-leaved sub-continental steppes: 1 – rare occurrence
  • 8E Acidophilous dry grasslands: 1 – rare occurrence
  • 9 Sand grasslands and rock-outcrop vegetation

  • 9B Open vegetation of acidic sands: 2 – optimum
  • 9C Festuca grasslands on acidic sands: 2 – optimum
  • 9D Pannonian sand steppes: 2 – optimum
  • 11 Heathlands and scrub

  • 11A Dry lowland to subalpine heathlands: 1 – rare occurrence
  • 12 Forests

  • 12K Acidophilous oak forests: 1 – rare occurrence
  • 12L Boreo-continental pine forests: 1 – rare occurrence
  • 12O Peri-Alpidic pine forests: 2 – optimum
  • 12W Pine and larch plantations: 1 – rare occurrence
  • Colonization ability

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  • Index of colonization success (ICS): 2
  • Index of colonization potential (ICP): 1
  • Optimum successional age [years]: 75

Distribution and frequency

  • Floristic zone: arctic, boreal, northern temperate, southern temperate, submeridional, austral or antarctic
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  • Floristic region: Americas, circumpolar
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  • Continentality degree: 5
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  • Distribution range extension along the continentality gradient: 3
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  • Elevational belt in the Czech Republic: lowlands, colline belt
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  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 135, 263
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  • Commonness in vegetation plots from the Czech Republic

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  • 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: 14
  • Number of narrow habitats in which the taxon has its optimum: 5
  • 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): C4a – near threatened taxon
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  • Red List 2017 (IUCN categories): NT – near threatened
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