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常绿树种如广玉兰、香樟等作为形态优美的风景树,广泛应用于上海城市绿化建设中,但其林下郁闭度高,难以形成多层次群落,以致景观较为单一。为丰富绿化层次和季相变化,上海植物园在主园路两侧行道树下进行了“常绿林下地被植物的引种、配置”课题的研究,旨在为上海城市绿化提供更新的耐阴地被材料。我们根据引种理论及上海地区现有的引种成果,将适宜在林下种植的地被材料进行分析,全面考虑园林的景观效果与生态效益。引种成功了抗性强、观赏效果好的新型地被材料。现将其中的紫金牛简介如下:
Evergreen species such as Magnolia grandiflora and camphor are widely used in urban greening in Shanghai. However, their canopy density is high and it is difficult to form a multi-level community, resulting in a rather monotonous landscape. In order to enrich the afforestation and seasonal changes, Shanghai Botanical Garden underwent research on the introduction and allocation of ground cover plants in the evergreen forests under the pavement trees on both sides of the main road in order to provide newer shade-tolerant ground cover for Shanghai urban greening material. According to the introductory theory and the existing introductions in Shanghai, we analyzed the ground suitable for planting under the forest and fully considered the landscape effect and ecological benefits of the garden. The successful introduction of a strong resistance, good ornamental effect of the new ground material. Now one of the Purple Taurus is as follows: