乔木（树高10-25m，胸径15-40cm）
Tree ((height10-25m, Diameter at breast height15-40cm
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树皮薄（皮厚不足5mm）
Bark thickness (thickness <5mm)
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外皮浅纵裂（裂口宽度与深度<5mm）
Outer bark surface longitudinal shallow fissured
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内皮火焰状花纹
Figures on inner bark flame-like
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材表细长槽棱
Process fusiform fissures long and thin in log surface
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中国西北
Northwest China
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中国西南
Southwest China
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长江以南各省区
Each province, region in south of Yangze River
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中国海南
Hainan China
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日本
Japan
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