Pentamerous

adj

Definitions

Adjective
  1. 1
    In five parts; made up of five parts. not-comparable

    "The Apocynaceae have pentamerous flowers."

Adjective
  1. 1
    divided into five parts; specifically, having each floral whorl consist of five (or a multiple of five) members wordnet

Etymology

From penta- + -merous.

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