乡土植物在城市园林绿地中的应用——以榆林市为例

对榆林市园林绿化植物的种类进行调查并对其组成特点进行分析,结果表明：榆林市城市园林植物种类近百种,而园林绿地中应用的乡土植物种类仅40种,乡土植物种类不多,外来物种却占有较大比例。在对榆林地区野外植物资源状况调查的基础上,选择了具有较高观赏价值的10种乔木、10种灌木和5中草本乡土植物,并对其特性及园林用途做了介绍,以期为今后榆林市园林绿化提供依据和参考。

Application of Indigenous Plants to Urban Landscape in Yulin

Our extensive investigation to the landscape plants cultivated in the urban green-lands of Yulin City and our comprehensive assessment to the species constitution revealed the number of garden plants was about one hundred but only 40 kinds of plants were highly dominant in terms of species constitution.Moreover,the indigenous plants were poorly applied.On the contrary,the alien plants took up dominant proportion.On the basis of our investigation to the wild plants in Yulin district,we selected 10 arboreal,10 shrubby,and 5 herbal indigenous plants with high ornamental and applicable values and introduced their features and uses.It is to provide a basis and reference for the future landscape in Yulin City.