大乔木（树高>25m，胸径>40cm）
Big tree (height)>25m,Diameter at breast height>40cm
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树皮厚（皮厚10mm以上）
Bark thickness (thickness above 10mm)
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外皮深纵裂（裂口宽度与深度>10mm）
Outer bark deep longitudinal fissured
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内皮石细胞粒状
Stone cell of bark grains-like
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内皮具针状晶体
Crystal in inner bark needle-like body
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材表平滑
Smooth in log surface
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长江以南各省区
Each province, region in south of Yangze River
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