The authors observed and studied the cultivar resources of poeny(Paeonia Suffruricosa) in Luoyang, Henan province, and discovered the poeny belonged to 10 flower shape and 503 cultivars.

• 摘要对河南省洛阳市的牡丹品种资源进行了考察、研究，发现洛阳牡丹品种资源共有10个花型，503个品种。