Analyzing on Flora Composition of Putian-Yongding Highway Evaluation Area in Fujian Province

We analyzed the plants species and flora composition from the highway evaluation zone Putian to Yongding,based on the ways of field investigation,literature research and the list of vascular plants arrangement.Our result showed that: 1 914 species vascular plants( 831 genera,213 families) were recorded in the evaluation zone.It was abundant with plants species and diversity.Among the areal types of families,the Tropical element was the dominant which accounted to 62.5%,especially the Pantropic was abundant,and the Cosmopolitan( 48.7%) was less.The Temperate elements were abundant with the percent of 17.1%.Among the areal types of genera,the Tropical element also occupied the dominant status which accounted to 60.7%,but the Temperate elements( 12.3%) outnumbered the Cosmopolitan( 11.8%).The study indicated that geographical flora composition was complicated and closely associated with tropical flora,and the special ingredients occupied certain proportion,etc.