广州市色叶树种调查及景观特色分析

通过对广州市13个代表性公园绿地的色叶树种进行调查和分析,得出广州市现有100种色叶树种(含亚种、变种和品种),占全市园林树种的8.14％,主要集中于大戟科、桑科、苏木科和使君子科,其中乡土树种33种,体现出地域性植物景观特色;乔木、灌木居多,而藤本类、常色叶树种不足;并对广州市发展色叶树种的方法和途径进行了讨论.

Investigation and landscape characteristic analysis of colorful leaf tree species in Guangzhou

Based on investigation and analysis of colorful leaf tree species in 13 representative parks in Guangzhou, there have been 100 colorful leaf tree species (including subspecies, varieties and cultivars), accounting for 8.14% of the city''s garden trees, mainly through Euphorbiaceae, Moraceae, Caesalpiniaceae and Combretaceae. There are 33 native species that reflect regional landscape features well. Trees and shrubs are more than vine species and often colorful leaf species. Later the methods and ways of developing new colorful leaf tree species in Guangzhou are also discussed.