植物分类学报

• 研究论文 • 上一篇    下一篇

中国主要禾本科植物花的基本类型与系统分类

王世金, 李健华   

  1. (中国科学院西北高原生物研究所,西宁)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1989-07-10 发布日期:1989-07-10
  • 通讯作者: 王世金

The Basic Types of Flowers of Chinese Gramineae and Their Systematic Relevance

Wang Shi-Jin, Li Jian-Hua   

  1. (Northwest Plateau Institute of Biology, Academia Sinica, Xining)
  • Received:1900-01-01 Revised:1900-01-01 Online:1989-07-10 Published:1989-07-10
  • Contact: Wang Shi-Jin

Abstract: The flowers of the representative species of 33 tribes and 174 genera were investigated for the purpose of Gramineae systematics. Discussed in this paper are ten impor- tant flower characters, 6 of which are of the pistil, two of the androecium and two of the lodi- cule. The morphology of lodicules is of particularly great value in systematics, it consisting of nine forms: membranous-flattend, tongue-shaped, chaffy-peltate, hooded or helmet-shaped, spade-like, longitudinally folded, cucullate, top-shaped and funnel-thaped. Its numbers per flo- wer may be: numerous, triple, dual, single and absent. On the basis of these ten characters, three major types and seven subtypes of the flowers of Gramineae may be recognized: Bam- busoid (including True Bambusoid, Oryzoid, Arundinoid, Stipoid), pooid (with Subtype Po- oid only) and Panicoid (including Eragrostoid, True Panicoid). As a result, The major groups corresponding to the flower basic types agree wih those divided according to the basic types of seedlings and caryopses. They are seven subfamilies: Banbusoideae, Oryzoideae, Arandinoi deae, Stipoideae, Pooideae, Eragrostoideae and Panicoideae.

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