大喬木（樹高>25m，胸徑>40cm）
Big tree (height)>25m,Diameter at breast height>40cm
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樹皮厚（皮厚10mm以上）
Bark thickness (thickness above 10mm)
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外皮深縱裂（裂口寬度與深度>10mm）
Outer bark deep longitudinal fissured
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內(nèi)皮石細胞粒狀
Stone cell of bark grains-like
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內(nèi)皮石細胞徑列條
Stone cell of inner bark longitudinal bark-like
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材表不整齊槽棱
Irregular process and fusiform fissures in log surface
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中國西北
Northwest China
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中國西南
Southwest China
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中國東南沿海
Southeast China
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長江中下游
Middium, lower reaches of Yangze River
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中國華南
Southern China
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