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Ammi majus

Habitus and growth type

  • Growth form: annual herb ?
  • Life strategy: CR - competitor/ruderal ?
  • Life strategy (Pierce method based on leaf traits): R ?
  • Life strategy (Pierce method, C-score): 6.5 % ?
  • Life strategy (Pierce method, S-score): 0 % ?
  • Life strategy (Pierce method, R-score): 93.5 % ?

Leaf

  • Leaf presence and metamorphosis: leaves present, not modified ?
  • Leaf arrangement (phyllotaxis): alternate ?
  • Leaf shape: simple – pinnately divided, compound – ternate ?
  • Stipules: absent ?
  • Petiole: both present and absent ?
  • Leaf anatomy: scleromorphic, mesomorphic ?

Flower

  • Flower colour: white ?
  • Flower symmetry: actinomorphic, zygomorphic ?
  • Perianth: calyx reduced, corolla present ?
  • Fusion of the perianth: free ?
  • Inflorescence type: umbella composita ?
  • Dicliny: andromonoecious ?
  • Generative reproduction mode: facultative allogamy ?
  • Pollen vector: insects ?

Fruit, seed and dispersal

  • Fruit type: dry fruit – cremocarp ?
  • Reproduction type: only by seed/spores ?
  • Myrmecochory: non-myrmecochorous (b) ?

Belowground organs and clonality

  • Shoot life span (cyclicity): monocyclic shoots prevailing ?
  • Primary root presence: present ?
  •   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): 0
  • 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): 5
  • Depth of the belowground bud bank (root buds exluded) [cm]: 1
  • 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): 0
  • Number of buds per shoot at a depth greater than 10 cm (root buds included): 0
  • Size of the belowground bud bank (root buds included): 5
  • Depth of the belowground bud bank (root buds included) [cm]: 1

Trophic mode

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

Taxon origin

  • Origin in the Czech Republic: neophyte ?
  • Invasion status: casual ?
  • Geographic origin: Mediterranean ?
  • Year of the first record in the wild: 1898 ?
  • Introduction pathway: accidental introduction ?

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 ?
  • Temperature indicator value: 8 - transition between values 7 and 9 ?
  • Moisture indicator value: 4 - transition between values 3 and 5 ?
  • Reaction indicator value: 8 - transition between values 7 and 9, occurring mostly in calcium-rich conditions ?
  • Nutrient indicator value: 7 - occurring at nutrient-rich sites more often than at average sites and only exceptionally at poor sites ?
  • Salinity indicator value: 1 - salt tolerant, mostly on low-salt to salt-free soils, but occasionally on slightly salty soils ?

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

Distribution and frequency

  • Floristic zone: submeridional, meridional, subtropical ?
  • Floristic region: Europe, Asia, Africa ?
  • Distribution range extension along the continentality gradient: 6 ?
  • Occurrence frequency in the basic grid mapping cells and in quadrants of the basic grid mapping cells: 1, 2 ?

Threats and protection

  • Red List 2017 (national categories): taxon is not on the Red List ?
  • Red List 2017 (IUCN categories): LC(NA) - least concern (taxon is not on the Red List) ?
  • Legal protection: not protected by law ?

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