• On the same plant, the transfer of pollen grains from the anther of a flower to the stigma of another flower takes place is called geitonogamy.
• Geitonogamous flowering plants in which the gametes come from the same parent plant, so it is autogamous. The pollen grains are being passed to a different flower which requires a pollinating agent,therefore it is an example of cross-pollination.
• Thus, geitonogamous flowering plants are genetically autogamous but functionally cross-pollinated.
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