白榆是优良的乡土用材树种。它分布在北纬29—48度,东经80—130度的广大地区。从西藏高原天山北麓到沿海平原;从海拔180米以下的吐鲁番盆地,到2400米以上的祁连山和秦岭;从冬季酷寒的海拉尔,到温暖多雨的长江中下游,如此极不相同的自然条件下,都有白榆生长。在这种变化巨大的生态环境中长期生存,使其种内形成了许多具有 White elm is an excellent native timber species. It is located in the vast latitude 29-48 degrees east longitude 80-130 degrees. From the northern foot of the Tianshan Mountains to the coastal plains of Tibet Plateau; from the Turpan Basin below 180 meters above sea level to Qilian Mountains and Qinling Mountains of over 2,400 meters; from the harsh winter Hailar to the warm and rainy Yangtze River, under such extremely different natural conditions , There are white elm growth. Long-term survival in such a vastly changing environment has enabled many species to form within