广东省珠海市乡土观赏树木资源的分布及利用现状

Indigenous Ornamental Woody Plants of Zhuhai City,Guangdong Province

乡土观赏植物是城市园林植物开发利用的基础。2003～2004年对珠海市植物资源进行调查，结果表明：该市共有乡土木本观赏植物95科285属621种，其中裸子植物6种，双子叶植物586种，单子叶植物29种。这些木本观赏植物区系以热带亚热带成分为优势。从观赏特性和园林用途来看，珠海市乡土木本植物区系可划分为10个类群，以园景树最为丰富，其次为荫木类和蔓木类。通过分析这些乡土植物资源的应用现状，对该市木本观赏植物资源的开发和利用提出了建议。

Indigenous ornamental plants are the substantial basis of landscape planting. A total of 621 indigenous woody ornamental plants were recorded in Zhuhai City, Guangdong Province. They include 6 species of gymnosperms, 586 species of dicotyledons and 29 species of monocotyledons. They are dominated by the tropical and subtropical geographical elements. Ten groups can be divided according to their ornamental characters and landscape purposes. The most abundant group is landscape trees. There are also rich in overshadow trees and climbing species. Some suggestions are proposed to enhance the utilization of Indigenous ornamental woody plants.