Primula auricula

new search

Habitus and growth type

  • Height [m]: 0.05–0.2
    ?
  • Growth form: clonal herb
    ?
  • Life form: hemicryptophyte
    ?
  • Life strategy (Pierce method based on leaf traits): C/CR
    ?
  • Life strategy (Pierce method, C-score): 67.3 %
    ?
  • Life strategy (Pierce method, S-score): 0 %
    ?
  • Life strategy (Pierce method, R-score): 32.7 %
    ?

Leaf

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

Flower

  • Flowering period [month]: April–June
    ?
  • Flower colour: yellow
    ?
  • Flower symmetry: actinomorphic
    ?
  • Perianth type: calyx and corolla
    ?
  • Perianth fusion: fused
    ?
  • Shape of the sympetalous corolla or syntepalous perianth: hypocrateriform
    ?
  • Calyx fusion: synsepalous
    ?
  • Inflorescence type: umbella
    ?

Fruit, seed and dispersal

  • Fruit type: dry fruit – capsule
    ?
  • Fruit colour: brown
    ?
  • Dispersal unit (diaspore): seed
    ?
  • Dispersal strategy: Allium (mainly autochory)
    ?
  • Myrmecochory: non-myrmecochorous (a) nv
    ?

Belowground organs and clonality

  • Type of clonal growth organ: epigeogenous rhizome
    ?
  • Freely dispersible organs of clonal growth: absent
    ?
  • Shoot life span (cyclicity): dicyclic or polycyclic shoots prevailing
    ?
  • Branching type of stem-derived organs of clonal growth: sympodial
    ?
  • Primary root: absent
    ?
  • Persistence of the clonal growth organ [year]:
    ?
  • Number of clonal offspring:
    ?
  • Lateral spreading distance by clonal growth [m]: 0.01
    ?
  • Clonal index: 3
    ?
  • 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
    ?

Taxon origin

  • Origin in the Czech Republic: native
    ?

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
  • Colonization ability

    ?
  • Index of colonization success (ICS): 1

Distribution and frequency

  • Elevational belt in the Czech Republic: colline belt
    ?
  • Occurrence frequency in the basic grid mapping cells and quadrants of the basic grid mapping cells: 2, 2
    ?

Threats and protection

  • Red List 2017 (national categories): C1r – critically threatened taxon, rare
    ?
  • Red List 2017 (IUCN categories): CR – critically endangered
    ?
  • 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.