浙江朱家尖观音湾古木层中果实与种子的分类学研究

报道了浙江舟山群岛朱家尖观音湾古木层中的种子植物的果实和种子 ,其中 1 4种已经被鉴定其属种 ,它们是南酸枣 ( Choerospondiasaxillaris)、椴树属 ( Tilia sp.)、樟 ( Cinnamomum camphora)、茄属 ( Solanumsp.)、忍冬属 ( Lonicera sp.)、山胡椒属 ( Lindera sp.)、苜蓿属 ( Medicago sp.)、荆三棱 ( Scirpusyagara)、金鱼藻属 ( Ceratophyllum sp.)、乌桕 ( Sapium sebif erum)、鹅耳枥属 ( Carpinus sp.)、野山楂 ( Crataegus cuneata)、浙江紫薇 ( Lagerstroemia chekiangensis)和朴树属 ( Celtis sp.)。根据地下古木层中的果实和种子的调查和分析 ,并参考了木材解剖和孢粉分析资料 ,我们认为这里的古木层历史植被类型曾经是亚热带常绿、落叶阔叶混交林植被

Taxonomy about the fruits and seeds of ground ancient-woods at Guanyin bay of Zhujiajian in Zhejiang province

It was studied spermatophyte fruits and seeds of ground ancient-woods at Guanyin bay of Zhoushan islands in Zhejiang province in this paper. Fourteen species of them have been identified to belong to which genera or species,and they are Choerospondias axillaris,Tilia sp.,Lonicera sp.,Scirpus yagara,Medicago sp.,Solanum sp.,Cinnamomum camphora,Lindera sp.,Celtis sp.,Ceratophyllum sp.,Carpinus sp.,Crataegus cuneata,Sapium sebiferum and Lagerstroemia chekiangensis. According to investigation and analysis of the fruits and seeds of ground ancient-woods,and referring to wood anatomy and sporo-pollen analysis,we thought that the ancient vegetation type here was subtropic evergreen and deciduous broad-leaved mixed forest.