【摘要】 于1988年春,对广西南宁、柳州、桂林市区的园林植物作了全面调查。结果如下:1)三市区园林植物较丰富,其中南宁市351种隶属245属108科;柳州76科152属198种;桂林76科144属172种。2)园林植物的性状组成中,乔木占50—60％;灌木占20—30％,草本和藤本分别占15%和5%。3)园林植物的主要科是桑科、大戟科、棕榈科、木兰科、桃金娘科、苏木科、蔷薇科、樟科等;优势种是扁桃、人面子、柠檬桉、羊蹄甲、芒果、阴香、樟树、榕树、桂花、银桦、大红花、夹竹桃、九里香、正木等。4)园林植物的区系成分以热带—亚热带为主。5)园林植物的分布以公园最为丰富,其种数占总种数的67—87％,街道和阳台分别为43％和30％。6)不同市区园林植物的优势科、优势种、区系成分、生态外貌有明显差异,反映出各自的特点。与当地自然景观相一致。最后,在调查分析的基础上,对城市园林绿化的发展问题讨论。更多还原

【Abstract】 The garden plants in Nanning, Liuzhou, Guilin urban areas in Guang-xi were investigated thoroughly in spring of 1S88. The results were as follows; 1) The species of garden plants are abundant, among which, 315 species belong to 245 genera and 108 families in Nanning, 198 species to 152 genera and 76 families in Liuzhou as well as 172 species 144 genera and 76 families in Guilin. 2) There are 50-60% of species of the garden plants are trees, 20-30% species are shurbs, grass and liana make up 15% and 5% respectively. 3) The principal families of garden plants are Moraceae, Euphorblaceae, Palmaceae, Magnoliaceae, Myrtaceae, Caesalpi-niaceae, Rosaceae, Lauraceae, and so on. The essential species of garden plants are Mangifera persioforma, Dracontomelon duoereanum, Eucalyptus citriodora, Bauhinia pur-purea, Mangifera indica, Cinnunmomum burmanni, C. camphora, Ficus microcarpa, Grevil-lea robusta, Osmanthus fragrans, Hibiscus rosa-sinensis, Nerium indicum, Murraya pani-cutata, Euonymus japonica so and so fourth. 4) The garden plants of the three cities belong to the tropical-subtropical areal-type. 5) The public garden are richest in garden plants, which occupied 67-87% of the total number of species, and 43% and 30% respectively of the streets and balconies. In different urban areas the essential families, species, and distribution as well as the ecological appearance present obviously difference and showing their own features and unify with the local natural landscape. Finally, based on investigation and analysis, the writer put forward some proposals for the planning of urban gardens.更多还原