【摘要】 成都市园林植物种类丰富,珍稀濒危植物与特有植物众多,园林种子植物属的地理成分表现出从热带亚热带向温带过渡的性质,与其所处地理位置相吻合.本地种占有绝对优势,国外引进种占有较大比例,存在着一定生态安全隐患.更多还原

【Abstract】 The areal-types of genera of the garden seed plants in Chengdu are very complicated. As far as the origin of plants is concerned, it’s rich in relic, rare, precious and peculiar species. The phenomena that temperate elements and tropic elements infiltrate each other show the transitions of areal-types of garden seed greening plants in Chengdu. Exotic species take a great proportion in Garden greening seed plants of Chengdu, maybe which leads to the problem of ecological security.更多还原