chinar
1.The resistance of chinar, hawthorn and ural falses piraea are relatively low, which maybe bring problems.
2.The 21 newly recorded plants of flora of Saihanba in Hebei Chinar were reported. They are subordinate to 10 genera and 6 families.
3.Results:4 kinds of X-ray anatomy type of banch-arteriorgraph tree in palmonay carcinoma tissise were tree-stem branch-anatomy type(10 cases,16.4%)、tree-stem lobes-anatomy type(33 cases,54.1%)、treebranch-treelobes x-ray anatomy anatomy type(15 cases,24.6%) and chinar tree x-ray anatomy type(3 cases,49%).

