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In gynomonoecious species, the plants produce hermaphrodite flowers and separate male-sterile pistillate flowers. [36] One example is the meadow saxifrage, Saxifraga granulata. [39] Charles Darwin gave several other examples in his 1877 book "The Different Forms of Flowers on Plants of the Same Species". [40]
Gynodioecy / ˌ dʒ ɪ n oʊ d aɪ ˈ iː s i / is a rare breeding system that is found in certain flowering plant species in which female and hermaphroditic plants coexist within a population. Gynodioecy is the evolutionary intermediate between hermaphroditism (exhibiting both female and male parts) and dioecy (having two distinct morphs: male ...
In monomorphic sexual systems, a combination of hermaphrodite, male, and/or female flowers may be present on the same plant. Monomorphic sexual systems include monoecy, gynomonoecy, andromonoecy, and trimonoecy. In dimorphic sexual systems, individual plants within a species only produce one sort of flower, either hermaphrodite or male, or female.
A sequential hermaphrodite produces eggs (female gametes) and sperm (male gametes) at different stages in life. [2] Sequential hermaphroditism occurs in many fish, gastropods, and plants. Species that can undergo these changes do so as a normal event within their reproductive cycle, usually cued by either social structure or the achievement of ...
Gynomonoecy is defined as the presence of both female and hermaphrodite flowers on the same individual of a plant species. [1] It is prevalent in Asteraceae but is poorly understood. [2] It is a monomorphic sexual system comparable with monoecy, andromonoecy and trimonoecy. [3]
In most plant species, an individual has both male and female sex organs (a hermaphrodite). [24] The life cycle of land plants involves alternation of generations between a sporophyte and a haploid gametophyte. [25] The gametophyte produces sperm or egg cells by mitosis. The sporophyte produces spores by meiosis, which in turn develop into ...
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Part of a series on Sex Biological terms Sexual dimorphism Sexual differentiation Feminization Virilization Sex-determination system XY XO ZW ZO Temperature-dependent Haplodiploidy Heterogametic sex Homogametic sex Sex chromosome X chromosome Y chromosome Sex chromosome anomalies Testis-determining factor Hermaphrodite Sequential hermaphroditism Simultaneous hermaphroditism Intersex (biology ...