大乔木（树高>25m，胸径>40cm）
Big tree (height)>25m,Diameter at breast height>40cm
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针叶树材(无孔材)
Coniferous wood (non-pored wood )
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轴向管胞大小不一
Untidy size of longitudinal tracheid
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早材管胞在放大镜下可见
Early wood tracheid visible with a hand lens
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早材管胞方形、长方形、多边形
Shape of early wood tracheid ,squary rectangle polygon
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管胞壁澳柏型加厚明显
Callitroid thickening in tracheid cell wall
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