摘要 | 南京地区地处亚热带北缘,是一些常绿阔叶树种自然分布的北界。通过对南京地区常绿阔叶树种的实地考察,表明南京地区有12种自然分布的常绿阔叶树种;目前园林上引种并已应用的有25种。另外,引种了109种能够露地栽培的常绿阔叶树种,其中乔木28种,灌木77种,藤本4种。可以认为南京地区是耐寒常绿阔叶树种引种分布的关键地区。 |
Abstract | Nanjing area is the northern boundary of northern subtropical zone where some evergreen broad-leaved species are distributed in. The resources of the cold-resistant evergreen broad-leaved species were investigated in Nanjing, Jiangsu Province. Now, about 12 tree species distribute in nature and about 25 tree species have been planted in the city as garden plants. In addition, over 109 tree species were introduced in Nanjing. Of them, 28 species are arbors, 77 species shrubs, and 4 species vines. It can be considered that Nanjing is the key area of introduction and distribution of cold-resistant evergreen broad-leaved species. |
关键词 | 园林植物; 耐寒常绿阔叶树种; 北亚热带; 南京; |
Key words | landscape plants; cold-resistant evergreen broad-leaved species; the northern subtropical zone; Nanjing |
作者 | 毛志滨1,2,郝日明3,姜鹏3,汤庚国1 |
所在单位 | 1.南京林业大学,江苏南京210037; 2.江苏省•中国科学院植物研究所,江苏南京210014; 3.南京农业大学园艺学院,江苏南京210095 |
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基金项目 | 江苏省农业科技攻关基金资助项目(BE2003368); |