Microspore morphology of Selaginellaceae in China and its systematic significance

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• 作者：Dan Yan ; Lijuan Wang ; Yuanyuan Song ; Liu Wang…
• 关键词：Selaginellaceae ; Microspore ; Ornamentation type ; Subgenus classification
• 刊名：Plant Systematics and Evolution
• 出版年：2016
• 出版时间：May 2016
• 年：2016
• 卷：302
• 期：5
• 页码：561-574
• 全文大小：4,348 KB
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• 作者单位：Dan Yan (1)
  Lijuan Wang (1)
  Yuanyuan Song (1)
  Liu Wang (1)
  Tiantian Du (1)
  Jiaxi Liu (1)
  
  1. College of Life Sciences, Capital Normal University, Beijing, 100048, China
  
• 刊物类别：Biomedical and Life Sciences
• 刊物主题：Life Sciences
  Plant Sciences
  Plant Ecology
  Plant Anatomy and Development
  Plant Systematics/Taxonomy/ Biogeography
  
• 出版者：Springer Wien
• ISSN：1615-6110

文摘

In this paper, we report the microspore morphology of 18 species in genus Selaginella P.Beauv. of family Selaginellaceae Willk. from China observed using scanning electron microscopy. Among these species, the morphological characteristics of 17 species have not been reported previously. The results show that the surface ornamentation of microspores of Selaginellaceae can be differentiated into nine major types including granulate, tuberculate, verrucate, verrucate-rugulate, spinate, baculate, reticulate, lamellate and cerebroid. These characteristics as taxonomic basis for subgenus classification support the view of Hieronymus (Die naturlichen pflanzenfamilien. Verlag von Wilhelm Engelmann, Leipzig, 1901) that genus Selaginella should be classified as two sub-genera Homoeophyllum and Heterophyllum.