Crataegus pinnatifida Bge. var. major N. E. Brown.

例句：

1. 1. The tree is a symbol of the season, with its bright red berries.
   这棵树是季节的象征，它的鲜红果实格外引人注目。
2. 2. The tartness of the fruit makes it a popular snack for many people.
   这种水果的酸味使它成为许多人喜爱的零食。
3. 3. In traditional Chinese medicine, Crataegus pinnatifida is used to treat various ailments.
   在传统中医中，山楂被用来治疗各种疾病。