Liu et wu . as a result , anatomical characteristics of foliar and wood showed a remarkable inter - and intra - specific variation , but the interspecific changes in leaf surface and leaf anatomical features indicated a clustery trend 结果表明，各解剖特征的种间和种内差异较为显著，叶表面结构特征和叶解剖特征的种间变化显示了一定的规律性。
