Definition of phytogeographical kingdom in English:

phytogeographical kingdom

noun

Botany
  • Each of a number of major areas of the earth distinguished on the basis of the characteristic plants present. They usually include the Boreal, Palaeotropical, Neotropical, Australian, South African, and Antarctic kingdoms.

    Also called floral kingdom
    • ‘To avoid arbitrariness as much as possible, Schouw fixed the conditions to be observed in laying down such a phytogeographical kingdom.’