It has been found that Tamarix can migrate and reside naturally in non river bank region of desert.A systematic study on the morphology and anatomy about seedling of T.laxa was made. The results showed:with the growth of the seedling

the ratio of vascular bundle to stem went up from 25.3% to 52.2%

thickness of palisade tissue went up from 54.4um to 86.0um

and lesf area went down from 2.91mm 2 to 0.80mm 2 up to July

the drought resistance structure of seedling had gradually formed or enhanced.These show that seedling has highly morphology and anatomy adaptation to bitter circumstances

therefore seedling can grow normally in desert when the habitat is dry.