Occurrence and taxonomic significance of ruminate endosperm

被引:17
作者
Bayer, C
Appel, O
机构
[1] Institut für Allgemeine Botanik, Universität Hamburg, 22609 Hamburg
关键词
D O I
10.1007/BF02856615
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Ruminate endosperm is characterized by its uneven and enlarged surface. A list of 58 angiosperm families in which this trait is known to occur is presented. The simultaneous presence of different rumination types in angiosperms and even within single families leads to the conclusion that ruminate endosperm has originated several times in parallel. Therefore, the mere occurrence of rumination does not provide evidence for phylogenetic hypotheses. Nevertheless, rumination features can provide valuable characters for taxonomic purposes, if structural and ontogenetic evidence is considered.
引用
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页码:301 / 310
页数:10
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