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福建防己科植物叶脉序比较研究
Comparative Study on the Leaf Venation of Menispermaceae in Fujian

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福建防己科植物叶脉序比较研究.pdf (231.1Kb)
Date
2000-06
Author
刘剑秋(福建师范大学生物工程学院!)
李和阳
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  • 生命科学-已发表论文 [5901]
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Abstract
[中文摘要]系统观察了福建防己科 7属 1 3种植物的叶脉特征 .根据脉序差异分为三种类型 ,即 :掌状脉 ,复出掌状脉和顶聚脉 .脉序的类型与属的划分不具相关性 .由于各种间在脉的起源点、一级脉的数目、分支方式、是否形成脉环、二级脉的夹角、走向及脉环的行为上 ,存在着种间差异 ,且形状稳定 .这表明 ,防己科植物的脉序具有分类学价值 ,同时还可为该科的系统学研究提供有用资料[英文摘要] . Conducts the systemat ic observat ion on leaf venational patterns of 7 general and 13 species of Menispermaceae in Fujian. Based on their different characterist ics, the menispermaceae leaf venat ions are divided into three type: act inodr omous, palinact inodromous and acr odromous. The division of venational pat terns do n' t relate to g enera. T hese species v enat io nal characterist ics dist inct from each other in a number of primary v ein, ramified, the secondary veins' angle of div erg ence and behaviour. And these dist inct ive characteristics are steady , which indicate that the leaf venat ional of menispermaceae have sig nif icance for the delimitation of species. These paper also provide additional evidence for evolution of menispermaceae.
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作者简介: 刘剑秋( 1956— ) 男, 福建闽清人, 副教授.福建省高校测试基金资助项目!( K C13 )
Citation
福建师范大学学报(自然科学版),2000,16(2):80-84
URI
https://dspace.xmu.edu.cn/handle/2288/14514

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