21世纪是人类生态环境世纪。利用野生植物资源优势,丰富园林绿化多样性,是改善城市生态环境,推进城市可持续发展的重要途径。我国北方地区幅员辽阔,地形复杂,野生园林植物资源十分丰富。其中除少数植物被开发利用外,大部分没有开发利用。 开发利用的意义 1.多样性。北方野生园林植物目前已发现的具有较高园林利用价值的有近50个科,300多种。它们之 The 21st century is the century of human ecological environment. Utilizing the advantages of wild plant resources and enriching the diversity of landscaping is an important way to improve urban ecological environment and promote the sustainable development of cities. The northern region of our country has a vast territory and complex terrain, and the resources of wild landscape plants are very rich. In addition to the development and utilization of a small number of plants, most of them are not developed. Significance of development and utilization 1. Diversity. Nearly 50 families and more than 300 species have been found in northern wild landscape plants that have been used for higher landscape value. They are