Species Composition and Flora Characteristics of Vascular Plants in Wetland of Wenchang City
In order to know the status of wetland plants and strengthen their protection and management in Wenchang city,Hainan,a field investigation of wetland plants in Wenchang was conducted from March to May in 2023,using a combination of line transect method and quadrat method,and the floristic composition and characteristic of vascular plants in the area were analyzed.The results showed that a total of 245 species from 73 families and 188 genera had been recorded in the wetland of Wenchang,including 9 fern species from 5 families and 6 genera,and 236 angiosperm species from 68 families and 182 genera,with the dominant families Euphorbiaceae,Fabaceae,Syzygiaceae,Chrysanthemums,Verbenaceae,and Gramineae.Plant habits were predominantly herbaceous,and ecological types are primarily hydrophytes.Two wild plant species,Xylocarpus granatum and Nypa fruticans,were under national second-class protection,while 23 wild plant species(belonging to 13 families,17 genera)under provincial protection.Wetland plants in Wenchang could be divided into 6 areal-types and 5 subtypes at family level,while 11 areal-types and 5 subtypes at genus level.The tropical distribution families and genera accounted for 91.07％and 94.80％of non-cosmopolitan families and genera,respectively,which indicating that the wetland flora of Wenchang had obviously tropical nature.In general,Wenchang possessed abundant species of wetland plants.
vascular plant compositionfloristic characteristicskey protected plantswetlandWenchang city
NETL
NSTL
万方数据
