Definition of polysepalous in English:

polysepalous

Pronunciation /ˌpɒlɪˈsɛp(ə)ləs/ /ˌpɒlɪˈsiːp(ə)ləs/

adjective

Botany
  • Of a calyx or involucre: having the parts (sepals or bracts) separate, not united. Opposed to gamosepalous, monosepalous.

Origin

Early 19th century. From poly- + sepal + -ous, after French polysépale (N. J. NeckerPhytozool. philos 56).