大乔木（树高>25m，胸径>40cm）
Big tree (height)>25m,Diameter at breast height>40cm
|
树皮厚（皮厚10mm以上）
Bark thickness (thickness above 10mm)
|
外皮深纵裂（裂口宽度与深度>10mm）
Outer bark deep longitudinal fissured
|
内皮石细胞粒状
Stone cell of bark grains-like
|
材表平滑
Smooth in log surface
|
中国东北、内蒙古
Northeast China. Inner Mongolia
|
中国西北
Northwest China
|
中国西南
Southwest China
|
黄河中下游
Middium, lower reaches of Huanghe River
|
长江以南各省区
Each province, region in south of Yangze River
|
