Flowering Strategies in Ochradenus baccatus, a gynodioecious species - Aly Hassan, Rania;Amer, Wafaa;El Hadidi, Azza
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In the plant kingdom, a wide diversity of breeding systems exists, only 6% of angiosperm species are completely dioecious (males and females), but dioecy exists in approximately 38% of flowering families where it has arisen independently many times. Gynodioecy (hermaphrodite and female individuals within a population) is a common gender dimorphism describing approximately 7% of all flowering plants and found in many angiosperm families. This phenomenon still a virgin topic needs work all over the world as well in Egyptian flora. In Egypt, the number of flowering plants is 2145 species from…mehr

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Produktbeschreibung
In the plant kingdom, a wide diversity of breeding systems exists, only 6% of angiosperm species are completely dioecious (males and females), but dioecy exists in approximately 38% of flowering families where it has arisen independently many times. Gynodioecy (hermaphrodite and female individuals within a population) is a common gender dimorphism describing approximately 7% of all flowering plants and found in many angiosperm families. This phenomenon still a virgin topic needs work all over the world as well in Egyptian flora. In Egypt, the number of flowering plants is 2145 species from which about 11 species belonging to 6 families were recognized as gynodioecious. This book deals with taxonomy of Ochradenus baccatus Delile (F: Resedaceae), the most widespread species across the entire range of the genus, with a special reference to its breeding system representing the gynodioecy in the Egyptian Flora suggesting that the evolution of dioecy is associated with a significant decline in the amount of genetic diversity, and the variability within the sex morphs of the gynodioecious Ochradenus baccatus in Egypt was attributed to genetic factors.
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Autorenporträt
Rania A. Hassan,Lecturer at Botany & Microbiology Department, Faculty of Science, Cairo University, specialized in Flora & Taxonomy.Wafaa Amer, Prof. of Flora, Botany & Microbiology Department, Faculty of Science, Cairo University.Azza El Hadidi, Assistant Professor of Flora, Botany & Microbiology Department, Faculty of Science, Cairo University.