大羌白榆榆树是北方乡土树种之一，高大的榆树，枝叶繁茂，苍劲挺拔多见于平原地区。可在甘肃省临夏市康乐县上湾乡大羌村海拔２２００米的村旁公路两侧，却生长着这样一棵大榆树——俗称大羌白榆。据调查，大羌白榆已有近５００年历史，胸围６．９７米，基围８．０６米，... Elm elm is one of the native trees in North China. The tall elm with lush branches and branches is more common in the plains. In Linxia City, Gansu Province, Kangle County Shangwan Township Daqiang Village 2200 meters above sea level on both sides of the village road, but grow such a large elm tree - commonly known as Dachai elm. According to the survey, Daya Baicao has nearly 500 years of history, bust 6.97 meters, the base circumference of 8.06 meters, ...