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槭属植物叶脉脉序的比较研究

作  者:
张宝;邓莉兰;张坤;陈志华
单  位:
西南林业大学林学院;西南林业大学园林学院
关键词:
槭属植物;叶脉脉序;脉序类型;种的鉴定
摘  要:
对槭属25种植物的叶脉脉序进行比较观察。结果表明,叶脉脉序可分为两大类型:1)羽状脉,其下可分为直行羽状脉和曲行羽状脉2种脉型;曲行羽状脉下又可分为真曲行羽状脉、环结曲行羽状脉2种亚类型;2)及缘掌状脉。槭属植物叶脉脉序性状在种内较为稳定,且种间区别明显,但在组系内的一致性不高,且组系间常有交叉,所以不能作为同组或同系的共有特征,叶脉脉序可为种的鉴定提供依据。
译  名:
A Comparative Study on Leaf Venation of Acer Plant
作  者:
ZHANG Bao;DENG Lilan;ZHANG kun;CHEN Zhihua;Gardens School,Southwest Forestry University;Forestry School,Southwest Forestry University;
关键词:
Acer plant;;leaf vein;;neuration;;neuration types;;specific identification
摘  要:
This paper compared the leaf venation of 25 Acer plants species. The results showed that the leaf venation was divided into two types: 1) pinnate veins,which can be divided into 2 kind of vein type,straight pinnate veins and twist pinnate veins; twist pinnate veins can be divided into the true twist pinnate veins and loops twist pinnate veins; 2) palmate veins. leaf venation properties of Acer plants was relatively stable intra-species,and the difference between inter-species was apparent,but consistency was not high within the group,and often cross between group system,so can't as a common features in group,leaf venation can provide basis for the identification of species.

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