白榆 Ulmus Pumila L.又名家榆,通称榆树。系落叶乔木,高可达20余公尺,胸径近1公尺。白榆的干形通直,材质坚韧,可做建筑、车辆、农具、家具等;“榆钱”和面混合可食,嫩叶、树皮磨碎成粉可代粮,也可做糊料、饲料及肥料等;树皮纤维柔韧可代麻用,灰可提制碱质。 Ulmus Ulmus Pumila L. Also known as elm, commonly known as elm. Department deciduous trees, up to 20 meters high, nearly 1 meter diameter at breast. Elm stems straight shape, tough material, do construction, vehicles, farm tools, furniture, etc .; “Elm money” and the surface mixed edible, young leaves, bark crushed into flour can be a substitute for food, Feed and fertilizers, etc .; bark fiber flexibility can be used on behalf of Ma, ash can be made of alkaline.