植物分类学报

• 研究论文 • 上一篇    下一篇

独叶草形态学的研究III.花、果实和种子的形态和解剖

胡正海, 田兰馨   

  1. (西北大学,西安)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1985-06-18 发布日期:1985-06-18
  • 通讯作者: 胡正海

Studies on Morphology of Kingdonia uniflora Balfour f. et W. W. Smith. III. The Morphology and Anatomy of Flowers, Fruits and Seeds

Hu Zheng-Hai, Tian Lan-Xin   

  1. (Department of Biology, North-Western University, Xian)
  • Received:1900-01-01 Revised:1900-01-01 Online:1985-06-18 Published:1985-06-18
  • Contact: Hu Zheng-Hai

Abstract: In the present paper, the morphology and structure of the flower, fruit and seed of Kingdonia uniflora are reported. Each part of the flower is usually indefi- nite and is spirally arranged.  The venation of the tepals is open-dichotomous and cla- ssified into three types.  There are two types of the stamens, which have a solitary bun- dle; the sterile stamens bear nectaries in the ventral furrows of the apex, and the pollen sacs of the fertile ones are lateral-extrose. The carpel is differentiated into three parts, and is not completely closed in flower, which represents a half-opened type and is si- millar to that of Coptis. The fruit is an achene.  The embryo is at the stage of proem- bryo when the fruit is mature.  The endosperm is copious. In this paper, some problems concerning morphological evolution are also discussed.

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