Analyzing the reproductive biology of Taxus:: Should it be included in Coniferales?

被引:1
|
作者
Anderson, ED [1 ]
Owens, JN [1 ]
机构
[1] Univ Victoria, Ctr Forest Biol, Victoria, BC V8W 3N5, Canada
关键词
conifer taxonomy; ovule; Taxaceae; Taxales; yew;
D O I
10.17660/ActaHortic.2003.615.22
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Separation of Taxus and allied genera of Taxaceae as the order Taxales seems unjustified. The authors summarise a theory explaining the evolution of the ovulate structure including a primary and secondary shoot, and believe that this helps to explain many of the unusual morphological features found in Taxus. Other features such as pollination drop, pollination mechanism and non-saccate pollen are similar to their analogues in Cupressaceae and the authors consider Taxus to be a member of Coniferales.
引用
收藏
页码:233 / 234
页数:2
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