桂林市园林植物调查研究

Investigation of the Garden Plants in Guilin City

为了解桂林市园林植物及其景观现状,通过实地调查并结合相关文献,对该市6个城区园林绿化植物开展全面调查与分析。结果表明,桂林市有园林植物858种(隶属于110科341属),包括乡土植物447种和外来植物411种,分别占52.10%及47.90%;其中中国特有植物50种,广西特有植物16种,濒危植物65种,国家重点保护植物46种,广西重点保护植物16种,喀斯特特有植物147种。按观赏部位统计,桂林市有观花植物394种,芳香植物218种,观形植物175种,观果植物163种,观叶植物88种,观干植物38种。总体评价,桂林市园林植物种类较丰富,观赏价值较高,建议适当增加藤本、草本和竹类植物的种类及应用形式;增加彩叶植物叶色种类,冬季和春季的观果植物、彩色观干植物及芳香植物的数量;进一步提高乡土植物和喀斯特植物在园林植物中所占的比例;加强植物养护管理,并对重点保护植物采取特殊保护措施。

To understand the application and landscape status of garden plants in Guilin City,through field investigation and related literature,a comprehensive investigation and analysis were carried out on the landscape plants in 6 districts under the urban area of Guilin City.The results showed 858 garden plants in Guilin City,belonging to 110 families and 341 genera,447 native plants,and 411 exotic plants,accounting for 52.10%and 47.90%,respectively.Among these were 50 endemic plants in China,16 endemic plants in Guangxi,65 endangered plants,46 nationally protected plants,16 Guangxi-protected plants,and 147 karst plants.In terms of ornamental plants,there are 394 species of flowering plants,218 species of aromatic plants,175 species of shape plants,163 species of fruit plants,88 species of leaf plants,and 38 species of trunk plants in Guilin City.Generally speaking,the plant species are rich,and the ornamental value is high.It is suggested to appropriately increase the species and application forms of rattan,herbs,and bamboo plants.Increase the number of leaf color species,fruit plants,color dry plants,and aromatic plants in winter and spring;further increase the proportion of native plants and karst plants in garden plants;strengthen plant conservation management and take special protection measures for vital plants under protection.