Rumex crispus

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Habitus and growth type

  • Height [m]: 0.3–1
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  • Growth form: polycarpic perennial non-clonal herb
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  • Life form: hemicryptophyte
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  • Life strategy: C – competitor
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  • Life strategy (Pierce method based on leaf traits): C/CR
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  • Life strategy (Pierce method, C-score): 65.1 %
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  • Life strategy (Pierce method, S-score): 0 %
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  • Life strategy (Pierce method, R-score): 35 %
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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: present
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  • Petiole: present
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  • Leaf life span: evergreen
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  • Leaf anatomy: mesomorphic
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Flower

  • Flowering period [month]: June-August
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  • Flowering phase: 7 Ligustrum vulgare-Stachys sylvatica (end of early summer)
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  • Flower colour: green
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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: panicula e pseudospicis composita
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  • Dicliny: synoecious, gynodioecious, androdioecious
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  • Generative reproduction type: mixed mating
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  • Pollination syndrome: wind-pollination
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Fruit, seed and dispersal

  • Fruit type: dry fruit – achene/cypsela/samara
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  • Fruit colour: brown
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  • Reproduction type: by seed/spores and vegetatively
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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)
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Belowground organs and clonality

  • Shoot metamorphosis: rhizome-like pleiocorm
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  • Root metamorphosis: primary storage root
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  • Storage organ: rhizome-like pleiocorm, primary storage root
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  • Shoot life span (cyclicity): monocyclic shoots prevailing
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  • Branching type of stem-derived organs of clonal growth: sympodial
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  • Primary root: present
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  • Position of root buds: primary root
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  • Role of root buds in life-history of a plant: regenerative
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  • Bud bank

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  • Number of buds per shoot at the soil surface (root buds excluded): 5
  • Number of buds per shoot at a depth of 0–10 cm (root buds excluded): 14
  • Number of buds per shoot at a depth greater than 10 cm (root buds excluded): 0
  • Size of the belowground bud bank (root buds excluded): 19
  • Depth of the belowground bud bank (root buds exluded) [cm]: 4
  • Number of buds per shoot at the soil surface (root buds included): 5
  • Number of buds per shoot at a depth of 0–10 cm (root buds included): 18
  • Number of buds per shoot at a depth greater than 10 cm (root buds included): 15
  • Size of the belowground bud bank (root buds included): 38
  • Depth of the belowground bud bank (root buds included) [cm]: 8

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): 60
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  • Ploidy level (x): 6
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  • 2C genome size [Mbp]: 3948.15
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  • 1Cx monoploid genome size [Mbp]: 658.03
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  • Genomic GC content: 40.8 %
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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: 5 – moderate heat indicator, occurring from lowland to montane belt, mainly in submontane-temperate areas
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  • Moisture indicator value: 6 – transition between values 5 and 7
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  • Reaction indicator value: 6x – transition between values 5 and 7 (generalist)
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  • Nutrient indicator value: 7 – occurring at nutrient-rich sites more often than at average sites and only exceptionally at poor sites
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  • Salinity indicator value: 1 – salt tolerant, mostly on low-salt to salt-free soils, but occasionally on slightly salty soils
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  • Indicator values for disturbance

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  • Whole-community disturbance frequency indicator value: -0.14
  • Herb layer disturbance frequency indicator value: -0.14
  • Whole-community disturbance severity indicator value: 0.71
  • Herb layer disturbance severity indicator value: 0.72
  • Whole-community structure based disturbance indicator value: 0.68
  • Herb layer structure-based disturbance indicator value: 0.79

Habitat and sociology

  • Occurrence in habitats

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  • 3 Aquatic vegetation

  • 3C Macrophytic vegetation of oligotrophic lakes and pools: 1 – rare occurrence
  • 4 Wetland and riverine herbaceous vegetation

  • 4A Reed-beds of eutrophic still waters: 1 – rare occurrence
  • 4B Halophilous reed and sedge beds: 1 – rare occurrence
  • 4C Eutrophic vegetation of muddy substrata: 1 – rare occurrence
  • 4D Riverine reed vegetation: 1 – rare occurrence
  • 4E Reed vegetation of brooks: 1 – rare occurrence
  • 4G Tall-sedge beds: 1 – rare occurrence
  • 4H Vegetation of low annual hygrophilous herbs: 1 – rare occurrence
  • 4I Vegetation of nitrophilous annual hygrophilous herbs: 1 – rare occurrence
  • 4J River gravel banks: 1 – rare occurrence
  • 4K Petasites fringes of montane brooks: 1 – rare occurrence
  • 4L Nitrophilous herbaceous fringes of lowland rivers: 1 – rare occurrence
  • 6 Meadows and mesic pastures

  • 6A Mesic Arrhenatherum meadows: 1 – rare occurrence
  • 6B Montane mesic meadows: 1 – rare occurrence
  • 6C Pastures and park grasslands: 2 – optimum
  • 6D Alluvial meadows of lowland rivers: 2 – optimum
  • 6E Wet Cirsium meadows: 1 – rare occurrence
  • 6F Intermittently wet Molinia meadows: 1 – rare occurrence
  • 6G Vegetation of wet disturbed soils: 2 – optimum
  • 10 Saline vegetation

  • 10G Continental vegetation of annual halophilous grasses: 1 – rare occurrence
  • 10I Inland saline meadows: 2 – optimum
  • 11 Heathlands and scrub

  • 11J Willow galleries of loamy and sandy river banks: 1 – rare occurrence
  • 11L Tall mesic and xeric shrub: 1 – rare occurrence
  • 11R Scrub and pioneer woodland of forests clearings: 1 – rare occurrence
  • 13 Anthropogenic vegetation

  • 13A Annual vegetation of ruderal habitats: 1 – rare occurrence
  • 13B Annual vegetation of arable land: 2 – optimum
  • 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
  • 13F Herbaceous vegetation of forests clearings and Rubus scrub: 1 – rare occurrence
  • 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
  • Diagnostic taxon

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  • Constant taxon

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  • Ecological specialization indices

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  • Ecological specialization index for all vegetation types: 4.1
  • Ecological specialization index for non-forest vegetation: 4.1
  • Ecological specialization index for forest vegetation: 4.4
  • Colonization ability

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  • Index of colonization success (ICS): 7
  • Index of colonization potential (ICP): 6
  • Optimum successional age [years]: 7

Distribution and frequency

  • Floristic zone: boreal, northern temperate, southern temperate, submeridional, meridional
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  • Floristic region: Europe, Western Asia
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  • Distribution range extension along the continentality gradient: 7
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  • Elevational belt in the Czech Republic: lowlands, colline belt, submontane belt, montane belt
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  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 629, 1931
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  • Commonness in vegetation plots from the Czech Republic

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  • Occurrence frequency in vegetation plots: 3.2 %
  • Occurrence frequency in vegetation plots with a cover above 5%: 3.5 %
  • Occurrence frequency in vegetation plots with a cover above 25%: 0.3 %
  • Occurrence frequency in vegetation plots with a cover above 50%: 0 %
  • Mean percentage cover in vegetation plots: 2.4 %
  • 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: 30
  • Number of narrow habitats in which the taxon has its optimum: 6
  • 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): taxon is not on the Red List
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  • 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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