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目前,我国城市建设正处于由绿化向美化的转型阶段,因此彩色树种的作用变得很十分重要。以北京、上海、大连等国家级园林城市为代表的优秀绿化工程中,无一不依靠彩色树种突出主题,增强美感,提高视觉享受。彩色树种是指在正常生长或休眠期间,能稳定呈现非绿色(排除生理、病虫害、栽培和环境条件等外界因素的影响)的树种。彩色树种包括彩叶树种和彩枝树种。彩叶树种是一类在生长季节或生长季节的某些阶段全部或部分叶片呈现非绿色的树种。彩枝树种是指枝条呈现彩色的树种。
At present, the urban construction in our country is in the transformation stage from afforestation to beautification, so the role of color tree species becomes very important. In Beijing, Shanghai, Dalian and other state-level garden city as the representative of the outstanding greening projects, all rely on color tree species to highlight the theme, enhance beauty, enhance visual enjoyment. Color tree is a tree species that can stably show non-green (excluding the influence of external factors such as physiology, pests, cultivation and environmental conditions) during normal growth or dormancy. Colorful species include colorful tree species and colorful branches. Coleus is a family of non-green species with all or part of the leaves at some stages of the growing or growing seasons. Colorful branches of trees is the color of the tree branches appear.