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El Kholy, D., Mohamed, A., Khafagi, A. (2023). The Taxonomic Significance of Pollen and Seed Morphology in The Mimosoideae and Caesalpinoideae (Leguminosae). Egyptian Journal of Botany, 63(1), 31-43. doi: 10.21608/ejbo.2022.129708.1946
Doaa M. El Kholy; Amaal H. Mohamed; Azza A.F. Khafagi. "The Taxonomic Significance of Pollen and Seed Morphology in The Mimosoideae and Caesalpinoideae (Leguminosae)". Egyptian Journal of Botany, 63, 1, 2023, 31-43. doi: 10.21608/ejbo.2022.129708.1946
El Kholy, D., Mohamed, A., Khafagi, A. (2023). 'The Taxonomic Significance of Pollen and Seed Morphology in The Mimosoideae and Caesalpinoideae (Leguminosae)', Egyptian Journal of Botany, 63(1), pp. 31-43. doi: 10.21608/ejbo.2022.129708.1946
El Kholy, D., Mohamed, A., Khafagi, A. The Taxonomic Significance of Pollen and Seed Morphology in The Mimosoideae and Caesalpinoideae (Leguminosae). Egyptian Journal of Botany, 2023; 63(1): 31-43. doi: 10.21608/ejbo.2022.129708.1946

The Taxonomic Significance of Pollen and Seed Morphology in The Mimosoideae and Caesalpinoideae (Leguminosae)

Article 2, Volume 63, Issue 1, January 2023, Page 31-43  XML PDF (4.86 MB)
Document Type: Regular issue (Original Article)
DOI: 10.21608/ejbo.2022.129708.1946
Cited by Scopus (5)
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Authors
Doaa M. El Kholy; Amaal H. Mohamed; Azza A.F. Khafagi email
Botany and Microbiology Department, Faculty of Science, Al-Azhar University (for Girls), Cairo, Egypt
Abstract
POLLEN and seed morphology of 19 species representing 12 genera of the Mimosoideae and Caesalpinioideae was studies using light and electron microscopy. Observed variations were recorded comparatively in a data matrix and analyzed numerically by the PRIMER Ver.6 program package for cluster analysis. The ensuing dendrogram indicates the division of the species
into two main groups. One group includes all members of the Mimosoideae together with all three species of Senna from the Caesalpinioideae. The remaining eight species of the latter subfamily constitute the second group. Apart from the deviation of Senna from the Caesalpinioideae,
the distinction between the two subfamilies seems corroborated by differences in pollen and seed morphology. Senna is distinct from Cassia and deserves generic rank. The generic concept in the two subfamilies is taxonomically sound since the group of species representing one genus are attached together before joining those of other genera. Individual genera (such as Calliandra) can be singled out by their pollen aggregations.
Keywords
Caesalpinoideae; Mimosoideae; Pollen morphology; Seed characters; Taxonomy
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