南宁树木园观赏植物资源调查

通过实地调查和查阅相关资料,从科属种组成、生活型、来源以及观赏特性4个方面进行统计与分析,对南宁树木园观赏植物资源展开调查,评价南宁树木园观赏植物资源的组成特点。结果表明:南宁树木园有观赏植物843种,隶属于126科377属;在生活型组成方面,有乔木植物406种、灌木植物301种、草本植物92种、藤本植物44种;在观赏植物来源统计上,有乡土植物456种、栽培植物213种、外来植物174种;根据植物的观赏特性划分,有观花类植物328种、观叶类植物245种、观形类植物130种、观果类植物121种、观干类植物20种、观根类植物11种。由此提出南宁树木园今后需加强植物引进(如藤本植物、水生花卉、附生植物、乡土植物与彩叶植物等),提升观赏植物的管护水平,加强优良观赏植物的驯化与利用等建议。

Survey Research on Ornamental Plant Resources in Nanning Arboretum

A systematic survey was run on the ornamental plant resources in Nanning Arboretum through fieldwork research and relevant data collection,followed with the statistics and analysis from the aspects of family,living type source and ornamental characteristics. The composition features of the ornamental plant resources in the Nanjing Arboretum were reviewed to offer the reference for the future development. The result showed:Nanjing Arboretum contained 843 kinds of ornamental plants,covering 126 families and 377 genera;for the living types,there were 406 arborous plants,301 shrub plants,92 herbaceous plants and 44 liana plants; regarding the plant sources,the arboretum covered 456 indigenous plants,213 cultivated plants and 174 exotic plants;by ornamental characteristics of plants,there were 328 flower ornamental plants,245 foliage or-namental plants,130 shape ornamental plants,121 fruit ornamental plants,20 stem ornamental plants and 11 root ornamental plants. Therefore,it was reco mmended that the Nanning Arboretum should introduce more plants (e. g. ,liana plants,aquatic flowers,epiphytes,indigenous plants and color-leafed plants) ,improve the management and maintenance of ornamental plants and enhance the domestication and utilization of good orna-mental plants.