松嫩草地五种耐盐碱植物叶表皮的解剖观察

Anatomical Observation of Leaves'Epidermis of five Xerophytes in the Grass of Song Nen

The five xerophytes plants are growing in the plain of the song nen,i.e.Limonium bicolor O.Kuntze.Lappula intermedia (Ledeb.)M.Pop.Artemisia anethifolia Weber.Potentilla supina L.and Cynanchum chinense R.Br.They have been studied on the anatomy under ESM.The result show that all of them have the structure characters in resisting of drought and saline-alkali.The leaves have especially shown that they have the subsidiary thins.Their structure are the epidermis'cuticle.wax grains.the tumid on the epidermis hairs and the flower type of salt Gland,epidermis'which are the plant character of resisting the saline-alkali and the drought.