大乔木（树高>25m，胸径>40cm）
Big tree (height)>25m,Diameter at breast height>40cm
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树皮中等厚（皮厚5-10mm）
Bark thickness moderate (thickness 5-10mm)
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外皮纵裂（裂口宽度与深度5——10mm）
Outer bark longitudinal fissured
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内皮火焰状花纹
Figures on inner bark flame-like
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材表平滑
Smooth in log surface
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中国西南
Southwest China
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黄河中下游
Middium, lower reaches of Huanghe River
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长江以南各省区
Each province, region in south of Yangze River
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