摘要
采用野外调查、资料收集、标本采集与鉴定相结合的方式,对石棉县野生木本植物资源现状及地理分布特征进行研究.结果表明:该区域现有野生木本植物 65 科 145 属 421 种,其中,蕨类植物 1 科 1 属 1 种,裸子植物3 科8 属21 种,被子植物61 科136 属399 种,分别占该区域总物种数的0.24%、4.49%和94.77%;区域植物区系地理成分复杂多样,泛热带分布 30 科 16 属,占总属数的 11.03%;其次为北温带分布 17 科 39 属,占总属数的 26.90%.
Abstract
The present situation and geographical distribution of wild woody plant resources in Shimian County were studied by means of field investigation,data collection,specimen collection and identification.The results showed that there were 421 species of wild woody plants in 145 genera and 65 families in this area.There were 1 family,1 genus,1 species of ferns,3 families,8 genera,21 species of gymnosperms,and 61 families,136 genera,399 spe-cies of angiosperms,accounting for 0.24%,4.49%and 94.77%of the total species in the region,respectively.The geographical composition of the regional flora was complex and diverse,with 30 families and 16 genera distributed in the pantropics,accounting for 11.03%of the total genera.The North temperate zone was followed by 17 families and 39 genera,accounting for 26.90%of the total genera.The results showed that the woody plants in this area have a temperate distribution.
维普
万方数据