大喬木（樹高>25m，胸徑>40cm）
Big tree (height)>25m,Diameter at breast height>40cm
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樹皮中等厚（皮厚5-10mm）
Bark thickness moderate (thickness 5-10mm)
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外皮縱裂（裂口寬度與深度5——10mm）
Outer bark longitudinal fissured
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內皮石細胞片狀
Stone cell of bark piece-like
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材表細長槽棱
Process fusiform fissures long and thin in log surface
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中國西南
Southwest China
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長江以南各省區
Each province, region in south of Yangze River
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