Orobanche flava

new search

Habitus and growth type

  • Height [m]: 0.3–0.75
    ?
  • Growth form: clonal herb
    ?
  • Life form: geophyte
    ?

Leaf

  • Leaf presence and metamorphosis: leaves reduced to scales
    ?
  • Leaf shape: simple – entire
    ?
  • Stipules: absent
    ?

Flower

  • Flowering period [month]: July-August
    ?
  • Flower colour: yellow-white, yellow
    ?
  • Flower symmetry: zygomorphic
    ?
  • Perianth type: calyx and corolla
    ?
  • Perianth fusion: fused
    ?
  • Shape of the sympetalous corolla or syntepalous perianth: bilabiate
    ?
  • Calyx fusion: synsepalous
    ?
  • Inflorescence type: spica
    ?
  • Dicliny: synoecious
    ?
  • Pollination syndrome: insect-pollination, selfing
    ?

Fruit, seed and dispersal

  • Fruit type: dry fruit – capsule
    ?
  • Fruit colour: brown
    ?
  • Reproduction type: by seed/spores and vegetatively
    ?
  • Dispersal unit (diaspore): seed
    ?
  • Dispersal strategy: Lycopodium (mainly anemochory)
    ?
  • Myrmecochory: non-myrmecochorous (b)
    ?

Belowground organs and clonality

  • Shoot metamorphosis: shoot tuber
    ?
  • Root metamorphosis: root shoot
    ?
  • Storage organ: shoot tuber
    ?
  • Type of clonal growth organ: root with adventitious buds
    ?
  • 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]: 1
    ?
  • Number of clonal offspring: 6
    ?
  • Lateral spreading distance by clonal growth [m]: 0.13
    ?
  • Clonal index: 5
    ?
  • Position of root buds: lateral roots
    ?
  • Role of root buds in life-history of a plant: necessary
    ?
  • Bud bank

    ?
  • 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): 5
  • Number of buds per shoot at a depth greater than 10 cm (root buds excluded): 3
  • Size of the belowground bud bank (root buds excluded): 13
  • Depth of the belowground bud bank (root buds exluded) [cm]: 5
  • 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): 5
  • Number of buds per shoot at a depth greater than 10 cm (root buds included): 10
  • Size of the belowground bud bank (root buds included): 20
  • Depth of the belowground bud bank (root buds included) [cm]: 9

Trophic mode

  • Parasitism and mycoheterotrophy: root holoparasite
    ?
  • Carnivory: non-carnivorous
    ?
  • Symbiotic nitrogen fixation: no nitrogen-fixing symbionts
    ?

Karyology

  • Chromosome number (2n): 38
    ?
  • Ploidy level (x): 2
    ?
  • 2C genome size [Mbp]: 5987.05
    ?
  • 1Cx monoploid genome size [Mbp]: 2993.53
    ?
  • Genomic GC content: 43.3 %
    ?

Taxon origin

  • Origin in the Czech Republic: native
    ?

Ecological indicator values

  • Ellenberg-type indicator values

  • Light indicator value: 5 – semi-shade plant, only exceptionally occurring in full light, but usually at more than 10% of the diffuse radiation incident in an open area
    ?
  • Temperature indicator value: 4 – transition between values 3 and 5
    ?
  • 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: 6 – transition between values 5 and 7
    ?
  • Salinity indicator value: 0 – not salt tolerant, glycophyte
    ?

Habitat and sociology

  • Occurrence in habitats

    ?
  • 4 Wetland and riverine herbaceous vegetation

  • 4D Riverine reed vegetation: 1 – rare occurrence
  • 4J River gravel banks: 1 – rare occurrence
  • 4K Petasites fringes of montane brooks: 2 – optimum
  • 11 Heathlands and scrub

  • 11H Subalpine deciduous scrub: 1 – rare occurrence
  • 12 Forests

  • 12B Alluvial forests: 1 – rare occurrence
  • 13 Anthropogenic vegetation

  • 13E Perennial nitrophilous herbaceous vegetation of mesic sites: 1 – rare occurrence
  • Affinity to the forest environment

    ?
  • Affinity to the forest environment in Mesophyticum and Oreophyticum: 0 – taxon that does not spontaneously occur in Czech forests
  • Diagnostic taxon

    ?
  • Diagnostic taxon of alliances: KAB Salicion elaeagno-daphnoidis
  • Diagnostic taxon of associations: KAB01 Salicetum elaeagno-purpureae
  • Colonization ability

    ?
  • Index of colonization success (ICS): 1

Distribution and frequency

  • Floristic zone: southern temperate, submeridional
    ?
  • Floristic region: Europe
    ?
  • Continentality degree: 5
    ?
  • Distribution range extension along the continentality gradient: 3
    ?
  • Elevational belt in the Czech Republic: submontane belt, montane belt (colline belt)
    ?
  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 33, 61
    ?
  • 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: 1.7 %
  • Maximum percentage cover in vegetation plots: 3 %
  • Number of habitats with taxon occurrence in the Czech Republic

    ?
  • Number of narrow habitats in which the taxon occurs: 6
  • Number of narrow habitats in which the taxon has its optimum: 1
  • Number of broad habitats in which the taxon occurs: 4
  • Number of broad habitats in which the taxon has its optimum: 1

Threats and protection

  • Red List 2017 (national categories): C3 – vulnerable taxon
    ?
  • Red List 2017 (IUCN categories): NT – near threatened
    ?
  • 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.