Geitonogamy (from Greek geiton (γείτων) = neighbor + gamein (γαμεῖν) = to marry) is a type of self-pollination.
[1] Geitonogamous pollination is sometimes distinguished from the fertilizations that can result from it, geitonogamy.
[2] If a plant is self-incompatible, geitonogamy can reduce seed production.
[5] Although geitonogamy is functionally cross-pollination involving a pollinating agent, genetically it is similar to autogamy since the pollen grains come from the same plant.
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