Definition of polyphylly in English:

polyphylly

noun

rareBotany
  • Originally: the condition of having a greater than normal number of members in a floral whorl. Later: the condition of having numerous leaves.

Origin

Mid 19th century; earliest use found in Maxwell Tylden Masters (1833–1907), botanist and journal editor. From poly- + -phylly, after polyphyllous.

Pronunciation

polyphylly

/ˈpɒlɪfɪli/