北海道黄杨树为大叶黄杨的栽培品种 ,是卫矛科 ,卫矛属于常绿阔叶树种 ,原产日本。由中国林科院引种到北京。在北京经过多年的选育、驯化、繁育、优选 ,成为适宜中国北方气候条件抗寒性极强的优新品种———北海道黄杨树。北海道黄杨树叶片较宽大 ,呈椭圆形至阔椭圆形 ,顶端钝 Hokkaido boxwood tree is a cultivated species of Euonymus japonicus, David is the evergreen broad-leaved species, native to Japan. Introduced by China Academy of Forestry to Beijing. After many years of breeding, domestication, breeding and optimization in Beijing, it has become a boxwood plantation of Hokkaido, a new and excellent variety suitable for the extreme cold weather in northern China. Hokkaido boxwood leaves more generous, oval to broad oval-shaped, blunt top