sunflowern. 向日葵學術名詞向日葵：農業、畜牧學、食品科技、獸醫學、實驗動物及比較醫學葵花：食品科技、實驗動物及比較醫學向日葵屬：植物學英文釋義any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays