喬木（樹高10-25m，胸徑15-40cm）
Tree ((height10-25m, Diameter at breast height15-40cm
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樹皮薄（皮厚不足5mm）
Bark thickness (thickness <5mm)
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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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內皮石細胞環狀
Stone cell of inner bark grains-like
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材表燈紗紋
Fine holes of “linen” in log surface
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長江中下游
Middium, lower reaches of Yangze River
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長江以南各省區
Each province, region in south of Yangze River
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