pentamerous
/pɛnˈtæmərəs/
adjective
- Having parts arranged in groups of five, especially in botany (e.g., flowers with five petals) or zoology (e.g., starfish with five arms).
- Starfish are pentamerous, with their body parts arranged in a five-part pattern.
- Many dicot plants are pentamerous, meaning their flowers come in sets of five.
- The pentamerous flower had five petals and five sepals.