Resources of national key preserved wild plants in Jiangsu

This article analyses the resources of 13 species of national key preserved wild plants in Jiangsu and their values.These plants belong respectively to 12 families and 13 genera,including 2 species of pteridophytes,1 species of gymnospermae and 10 species of angiospetmae.Among them,there are 2 species of grade I national key conservation wild plants and 11 of grade Ⅱ.Most of them are distributed in the south of Jiangsu.Their values are appraised from such respects as scientific research,decoration and economy.Thereby,the author puts forward several proposals on how to preserve these plant species.