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.
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.