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PM · Lens · Taxonomic Implications of Fruit Morphology in Chinese Species of the Genus Bupleurum L. (Apiaceae)

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Article · Volume 18, Issue 80 · pp. 985–993

Taxonomic Implications of Fruit Morphology in Chinese Species of the Genus Bupleurum L. (Apiaceae)

Jialin Sun2,3, Sisi Cao4, Zejia Duan2, Ye Zhang2, Zhonghua Tang2, Ann Abozeid5

  1. 1College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, Egypt.
  2. 2Department of Biological Science and Technology, Heilongjiang Vocational College for Nationalities, Harbin 150066, Egypt.
  3. 3Medical Department College, Harbin Vocational and Technical College, Harbin 150040, Egypt.
  4. 4Department of Botany and Microbiology, Faculty of Science, Menoufia University, Shebin Elkoom 32511, Egypt.

Abstract

Background: Because of the certain overlapping of the genus Bupleurum, the identification features are few and the delimitation among species is difficult, Bupleurum taxonomy is under frequent revisions. In this research, hierarchical cluster analysis based on morphology characters is done to establish a dendrogram and illustrate the taxonomic relationship among Bupleurum species (Apiaceae) from China.Materials and Methods: The fruit morphology of 17 Bupleurum taxa from China was investigated with a scanning electron microscope (SEM) and optical microscopy (OM). The hierarchical cluster analysis based on 41 morphological character states belonging to 9 characters was done to establish a dendrogram and illustrate the taxonomic relationship among the studied species of Bupleurum (Apiaceae) from China.Results: Based on fruit morphological characteristics, it is possible to separate the Bupleurum species into the following four groups. The research indicates that the classification of Bupleurum in China is closely related to geographical distribution, which is divided into Southwestern and Northeastern Bupleurum.Conclusion: The fruit morphological characteristics are variable enough to distinguish species between Bupleurum, such as fruit length, width, shape, colour, the curvature of the outer periclinal and so on in this article. Morphological characters could be probably the taxonomical standard of intraspecific and interspecific delamination, which is significant for understanding the classification of Bupleurum.

Keywords: Bupleurum; cluster analysis; morphology; SEM and OM; taxonomic

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