浙江宁海早上新世枫香树属和栎属化石木及其古环境意义*
程业明1, 扆铁梅2, 李承森3

Identification of the early Early Pliocene fossil woods from Ninghai in Zhejiang Province and its palaeoenvironmental implications
Cheng Yeming1, Yi Tiemei2, Li Chengsen3
浙江宁海久内枫香树 Liquidambar hisauchi 结构特征 A,B—横切面示生长轮明显和管孔排列为单管孔和径列复管孔;C—弦切面示射线宽1~3细胞;D—径切面示射线异型,由边缘直立和中部横卧射线细胞构成;E—径切面示穿孔板梯状和导管尾端具螺纹加厚;F—径切面示导管射线间纹孔对列