喬木（樹(shù)高10-25m，胸徑15-40cm）
Tree ((height10-25m, Diameter at breast height15-40cm
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樹(shù)皮薄（皮厚不足5mm）
Bark thickness (thickness <5mm)
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外皮淺縱裂（裂口寬度與深度<5mm）
Outer bark surface longitudinal shallow fissured
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內(nèi)皮石細(xì)胞粒狀
Stone cell of bark grains-like
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內(nèi)皮石細(xì)胞環(huán)狀
Stone cell of inner bark grains-like
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材表細(xì)長(zhǎng)槽棱
Process fusiform fissures long and thin in log surface
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中國(guó)西北
Northwest China
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中國(guó)西南
Southwest China
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長(zhǎng)江以南各省區(qū)
Each province, region in south of Yangze River
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中國(guó)華北
Northern China
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