以广东4个具有地域代表的风景林下植被为研究对象,采用典型取样调查法,研究了林下植被群落特征。结果表明:林下植被物种组成差异性较大,群落相似性系数表现出极不相似或中等不相似;植物地理区系以热带亚热带成分占优势,从南到北有一定减弱趋势;林下群落优势种具有一定相似性,灌木层优势种以九节、假鹰爪、梅叶冬青、五指毛桃等主;Simposon指数值均较高,林下植被群落多样性较好。 Taking the 4 undergrowths of landscape vegetation in Guangdong as the research object, this paper studied the characteristics of understory vegetation communities by using the typical sampling method. The results showed that the species composition of understory vegetation was quite different, and the community similarity coefficients showed extremely dissimilar or medium similarities. The flora of the plant was dominated by tropical and subtropical elements, and decreased from south to north. The dominant species had some similarities, and the dominant species in shrub layer were Jiuzhai, Yingpao paw, Plum yew, Wuyi peach and so on. The Simposon index values ​​were higher and the diversity of understory vegetation communities was better.