大喬木（樹高>25m，胸徑>40cm）
Big tree (height)>25m,Diameter at breast height>40cm
|
樹皮中等厚（皮厚5-10mm）
Bark thickness moderate (thickness 5-10mm)
|
外皮深縱裂（裂口寬度與深度>10mm）
Outer bark deep longitudinal fissured
|
內(nèi)皮石細胞粒狀
Stone cell of bark grains-like
|
材表細長槽棱
Process fusiform fissures long and thin in log surface
|
中國西北
Northwest China
|
黃河中下游
Middium, lower reaches of Huanghe River
|
長江中下游
Middium, lower reaches of Yangze River
|
長江以南各省區(qū)
Each province, region in south of Yangze River
|
中國華北
Northern China
|
