喬木（樹高10-25m，胸徑15-40cm）
Tree ((height10-25m, Diameter at breast height15-40cm
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樹皮中等厚（皮厚5-10mm）
Bark thickness moderate (thickness 5-10mm)
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外皮不規(guī)則裂
Outer bark irregular fissured
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內(nèi)皮石細胞及花紋不見
Stone cell and figures on inner bark don’t be obvious
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材表燈紗紋
Fine holes of “l(fā)inen” 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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長江以南各省區(qū)
Each province, region in south of Yangze River
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日本
Japan
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中國華北
Northern China
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