Hybridization with Paeonia lutea has been conducted in ten years. Three hundred and thirty-three progenies were obtained from total 111 cross combinations with which P. lutea as crossing parents including infrasubsectional hybridization,intersubsectional hybridization and intersectional hybridization between Sect. Moutan and Sect. Paeon. Results showed that:(1)The number of seeds and seedlings of infrasubsectional hybridization in Paeonia subsect. Delavayanae are the highest,but the ornamental characters of...