1. 山楂：whitetail 白尾鹿 | whitethorn 山楂 | whitethroat 黄莺
noun
1. thorny Eurasian shrub of small tree having dense clusters of white to scarlet flowers followed by deep red berries
established as an escape in eastern North America
Synonym: English hawthornmayCrataegus laevigataCrataegus oxycantha