红豆杉科

从幼苗形态学特征探讨红豆杉科各属间的系统演化

On phylogeny of the Taxaceae from morphology of seedlings

其主要结果为：红豆杉科植物茎次生韧皮部由轴向系统和径向系统两部分构成。

The main results are as follows : The secondary phloem of Taxaceae is composed of axial and radial systems .

红豆杉科及其相关类群的RAPD分析

RAPD Analyses of Taxaceae and Its Related Taxa

根据化石研究表明，红豆杉科的化石发现于上白垩世。

As fossil evidences show , the fossil of taxus were found in the upper Cretaceous period .

结果表明：红豆杉科与三尖杉科均为单系群，二者互为姐妹群；

According to the tree , Taxaceae and Cephalotaxaceae are monophyletic groups , and the sister group relationship between the two families was confirmed .

红豆杉科、三尖杉科和罗汉松科的系统位置及系统发育关系长期以来都存有争议，本文对此三科在实验分类学方面的研究进展及趋势作了综述。

The systematic position and phylogenetic relationship of Taxaceae , Cephalotaxaceae and Podocarpaceae have long been debated . This paper reviews the advances and the research trends in the experimental taxonomy of the three families .

近年来，从红豆杉科红豆杉属植物的树皮中分离出抗肿瘤有效成分紫杉醇，引起了广大学者的关注，成为研究热点。

In recent years , the plant from the Chinese yew branch in the bark to separate the anti-tumor effective component taxus to be mellow , has aroused the general scholar 's interest , and it became the research hot spot .

南方红豆杉（TaxusChinensisvar.mairei）是红豆杉科红豆杉属在中国的一个变种，其紫杉醇含量是该属中较高的一种。

Taxus chinensis var. mairei is a variation of Taxaceae Taxus in China , and it contains more Paclitaxel ( Taxol ) than the other plants of Taxus .