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著名园林植物学家、中国工程院院士、北京林业大学教授陈俊愉先生,在谈到奥运花木时强调:“北京除了市树市花外还应重视本地树种,如杨、槐、榆等,其中基调树种与骨干树种尤为重要。”杨、柳、榆、槐、椿是北京的乡土树种,也是北京城市绿化的基调树种与骨干树种,然而这些树
Famous garden botanist, academician of Chinese Academy of Engineering, Beijing Forestry University Professor Chen Junyu, talking about the Olympic flowers and trees stressed: “Beijing in addition to the city tree city should pay attention to the local tree species, such as Yang, Huai, Yu, etc., of which the tone Species and key species are particularly important. ”Yang, Liu, Yu, Huai, Chun is a native species of Beijing, Beijing is also the key urban greening trees and key species, however, these trees