Periwinkle is an example of ______ADimerousBTrimerousCTetramerousDPentamerousAnswer: B. Trimerous Read Explanation: Periwinkle and China rose are examples of pentamerous flowers (5 floral appendages). Lilies are examples of trimerous flowers (3 floral appendages). Jasmine is an example of tetramerous flower (4 floral appendages).Read more in App