山茱萸是山茱萸科小乔木,果实去核后的茱萸肉,又名枣皮,是重要的中药。浙江省淳安县是山茱萸的产区,长期以来,实生育苗,果实大小不一,质量也差。近年,在县里重点产区夏中、琅洞等县发现一些优良单株,有的果实椭圆形,横径1.8厘米,纵径2.3厘米,平均重3克, Cornus is a small tree of the genus Cornus, after the fruit to the core of cornus, also known as jujube, is an important traditional Chinese medicine. Chun’an County, Zhejiang Province is the production area of ​​dogwood, for a long time, real seedling, fruit of different sizes and poor quality. In recent years, the county’s key producing areas Xiazhong, Langdong and other counties found some excellent single plant, and some fruit oval, diameter 1.8 cm, vertical diameter 2.3 cm, the average weight of 3 grams,