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植物研究 ›› 1999, Vol. 19 ›› Issue (3): 298-301.

• 论文 • 上一篇    下一篇

栝楼属种皮的扫描电镜观察及其分类学意义

黄璐琦1, 乐崇熙1, 郑俊华2, 诚静容2   

  1. 1. 中国中医研究院中药研究所, 北京 100700;
    2. 北京医科大学药学院, 北京 100083
  • 收稿日期:1998-09-25 出版日期:1999-09-15 发布日期:2016-06-14

SEM EXAMINATION ON SEED COAT OF TRICHOSANTHES AND ITS TAXONOMIC SIGNIFICANCE

Huang Lu-qi1, Yue Chong-xi1, Zheng Jun-hua2, Cheng Jing-rong2   

  1. 1. Institute of Chinese Materia Medica, Academy of Traditional Chinese Medicine, Beijing 100700;
    2. School of Pharmaceutical Sciences, Bejing Medica University, Beijing 100083
  • Received:1998-09-25 Online:1999-09-15 Published:2016-06-14

摘要: 栝楼属31种和3变种皮的扫描电镜观察和比较显示了种皮表面特征的高度多样性,它们可分为长方网型、波浪型、蜂窝型和不规则型等,这些类型的划分能为方子组、柔毛亚组的建立及一些种的归属提供依据。

关键词: 栝楼属, 种皮, 扫描电镜, 分类学

Abstract: As seeds play important role in this genus, SEM examination on testa surface of 31 species and 3 varieties has been taken. Four types of the testa surface character have been recognized, type A:reticulate, type B:Wavy C:bee hive-shaped, type D:irregular. The testa examination supports the taxonomical subdivision based on the grass morphology, There is close affinity between sect. foliobracteola and Sect. involucraria on account they all belong to type A ad type B. Subsect. villosae and Subsect. Foliobracteola are distinguished, because the latter belong to type A and type B. The testa character also support the placement of T. truncata C. B. Clarke and T. villosa Bl. in Sect. Foliobracteola.

Key words: Trichosanthes, Seed coats, Scanning Electron Microscope (SEM)