北海道黄杨(Euonymusjaponicus)系卫矛科卫矛属的常绿阔叶树种,原产日本。引种到我国后历经数年的驯化、繁育和优选,已成为适宜中国北方气候条件、颇具抗寒性的园林绿化优新品种。北海道黄杨的叶片较为宽大,呈椭圆形至阔椭圆形,顶端钝圆。其特别之处在于主干通直,顶梢粗壮,顶端 Hokkaido boxwood (Euonymusjaponicus) Department of David weaver genus Davidiaceae evergreen broad-leaved species, native to Japan. After introduced to our country after a few years of domestication, breeding and optimization, has become suitable for climatic conditions in northern China, quite cold landscaping excellent new varieties. Boxwood leaves of Hokkaido are broad, oval to broad oval, apex obtuse. The peculiarity is that the trunk is straight, the tip is thick and the top is