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壳斗科木材识别和分类
谢福惠; 林大新;   
广西农学院林学分院
摘要:
从106种壳斗科木材构造特征.作为本科木材识别和分类依据,概括于下: 散孔材,管孔细,单个密布,在生长轮末端一狭带无管孔,宽射线为多列射线,较狭而数较多为水青冈属。辐射孔材,管孔成串径列,宽射线聚合型,在横面反光弱为主,分布不均,促使材身槽棱不整齐,槽底平而宽长的为稠属。辐射孔材,管孔成串径、斜列为主,宽射线聚合型(常见)和栎型,在横面反光强,分布均匀,促使材身槽棱整齐,槽底尖而分隔为青冈属。半环孔材或环孔材,早材管孔沿生长轮不连续排列,在肉眼下可见至明显,晚材管孔成串径列,弯曲或火焰状,宽射线聚合型,常数少且几条聚近分布,大部分树种无宽射线的为锥属。环孔材,早材管孔沿生长轮连续排列,肉眼下明显,侵填体丰富,晚材管孔成串径列,弯曲或火焰状,宽射线栎型为栎属。环孔材,早材管孔沿生长轮连续排列,肉眼下明显,具侵填体,晚材管孔成串径列,弯曲或火焰状,射线细而肉眼下不见为栗属。 各属共同特征,薄壁组织离管带状,似环管(实际为环管管胞),生长轮不同程度波状。
关键词:  木材识别  环孔材  管孔  青冈属  聚合型  栗属  环管  成串  生长轮  薄壁组织  
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