亚热带植物科学 ›› 2000, Vol. 29 ›› Issue (02): 5-10.
• 研究报告 • 上一篇 下一篇
徐凤霞
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基金资助:
中国科学院华南植物研究所所长青年基金资助
XU Feng-xia
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摘要： 对木兰科、林仙科、八角科、五味子科的种子进行了详细观察,结果发现,木兰科种子为Endotestal型,且合点区具孔或管的特殊形态。其余三科为Extotestal型。由此说明它们与木兰科的亲缘关系较远,木兰科植物是一个自然的组合。
关键词: 木兰科, 近缘科, 内种皮, 合点区, 种子形态
Abstract: The seeds of Magnoliaceae, Winteraceae, Illiciaceae and Schisandra-ceae were observed. The results showed that the seeds of Magnoliaceae are of endotestal seeds with two special morphological types, i.e. the pore type and the tube type in the chalazal region and the others are of extotestal seeds. It can be deduced that these three families have loose relationships with Magnoliaceae of which species form a natural group.
Key words: Magnoliaceae, related families, endotesta, chalazal region, morphology
中图分类号:
Q944.747.1
徐凤霞. 木兰科及其近缘科种子内种皮合点区形态[J]. 亚热带植物科学, 2000, 29(02): 5-10.
XU Feng-xia. Morphology of chalazal region on endotesta in the seeds of Magnoliaceae and those of related families[J]. Subtropical Plant Science, 2000, 29(02): 5-10.
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