OfWRKY33 binds to the promoter of key linalool synthase gene to stimulate linalool synthesis in flowers.

Volatile aroma compounds make significant contributions to human perception of flowers. is a famous aroma plant, and linalool is proved to be the dominant aroma active compound. Although some terpene synthases have been characterized, a comprehensive study of the hub metabolic gene and its transcriptional regulation remain to be revealed.