植物分类学报

• 研究论文 •    下一篇

我国主要禾本科植物幼苗发育基本类型与系统分类

王世金, 郭本兆   

  1. (中国科学院西北高原生物研究所)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1983-02-18 发布日期:1983-02-18
  • 通讯作者: 王世金

The Basic Types of the Seedling of the Chinese Gramineae in Relation to Systematics

Wang Shi-Jin, Kuo Pen-Chao   

  1. (Northwest Plateau Institute of Biology, Academia Sinica)
  • Received:1900-01-01 Revised:1900-01-01 Online:1983-02-18 Published:1983-02-18
  • Contact: Wang Shi-Jin

Abstract: Investigations have been made on the mode of development and various characteris- tics of seedling of 203 grass species representing over 76 genera and 22 tribes.  The correlation between important characteristics and their main formative conditions in distribution area and habitat were discussed.  According to the various developmental forms of the embryo axis and root system, the seedlings of grasses may be divided into three main types: Bambusoid, Festucoid and Panicoid. And according to characteris- tics of seedling leaves and adventitious roots, these types may be further divided into seven subtypes: True Bambusoid, Oryzoid, Arundinoid, Stipoid, Festucoid, Eragrostoid and True Panicoid. in this study, the different types of seedlings have been found to be associated with other characteristics  of embryo and adult plant; and on these grounds, the genera of the Gramineae are grouped into seven corresponding subfa- milies: Bambusoideae, Oryzoideae, Arundinoideae, Stipoideae, Festucoideae, Eragros- toideae and Panicoideae.

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