广西园林植物应用现状调查及分析

Investigation and application of ornamental plants in Guangxi

关键词:  园林植物  城市绿化  广西

Key words:  ornamental plant  urban greening  Guangxi

摘要:

随着经济的发展和人们对环境美学要求的提高,园林植物的开发利用越来越受到重视。通过对广西主要大城市南宁、柳州、桂林等地区的园林植物进行实地调查,结果表明,广西区内常用园林植物有809种(包括变种、变型、栽培变种),隶属于150科450属,其中乡土植物315种,占常用园林植物的38.94%; 外来物种494种,占常用园林植物的61.06%。其中,乔木283种,草本253种。在150个科中,棕榈科的植物种类最多,有43种,其次是木兰科,有33种。而柠檬桉、桂花、大王椰子等种类,因应用范围广、用量大而在广西园林中占有相当重要的地位。园林用途分类结果表明,用于城市道路绿化的植物有502种; 用于公园、广场、街头绿地绿化的植物有494种,其中造景植物用了428种。

Abstract:

The application of ornamental plants is getting important along with the growing economy that people pay more and more attention to environmental aesthetics. After investigated ornamental plants in the main big cities of Guangxi,Nanning,Liuzhou,Guilin et al,we recorded total 809 species,varieties and forma,which belong to 450 genera and 150 families; of which 315 species. varieties and forma are natived Guangxi accounting for 38.94%,and other 494 are introduced,accounting for 61.06%. There are 283 arbor species and 253 herbaceous species in our record. The Palmaceae species range the largest number,43,following Magnoliaceae species,33. Eucalyptus citriodora,Osmanthus fragrans,and Roystonea regia play the most important role in ornamental application due to there easy adaptation and wide usage. Category for application presents that there are 502 speices used in road greening,494 species in park,plaza,street greening and 428 species in landscape design.