Geitonogamy in the context of "Greek (language)"

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⭐ Core Definition: Geitonogamy

Geitonogamy (from Greek geiton (γείτων) = neighbor + gamein (γαμεῖν) = to marry) is a type of self-pollination. Geitonogamous pollination is sometimes distinguished from the fertilizations that can result from it, geitonogamy. If a plant is self-incompatible, geitonogamy can reduce seed production.

In flowering plants, pollen is transferred from a flower to another flower on the same plant, and in animal pollinated systems this is accomplished by a pollinator visiting multiple flowers on the same plant. Geitonogamy is also possible within species that are wind-pollinated, and may actually be a quite common source of self-fertilized seeds in self-compatible species. It also occurs in monoecious gymnosperms.

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Geitonogamy in the context of Cross-pollination

Xenogamy (Greek xenos=stranger, gamos=marriage) is the transfer of pollen grains from the anther to the stigma of a different plant. This is the only type of cross pollination which during pollination brings genetically different types of pollen grains to the stigma.

The term xenogamy (along with geitonogamy and autogamy) was first suggested by Kerner in 1876. Cross-pollination involves the transfer of pollen grains from the flower of one plant to the stigma of the flower of another plant.

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Geitonogamy in the context of Self-pollination

Self-pollination is a form of pollination in which pollen arrives at the stigma of a flower (in flowering plants) or at the ovule (in gymnosperms) of the same plant. The term cross-pollination is used for the opposite case, where pollen from one plant moves to a different plant.

There are two types of self-pollination: in autogamy, pollen is transferred to the stigma of the same flower; in geitonogamy, pollen is transferred from the anther of one flower to the stigma of another flower on the same flowering plant, or from microsporangium to ovule within a single (monoecious) gymnosperm. Some plants have mechanisms that ensure autogamy, such as flowers that do not open (cleistogamy), or stamens that move to come into contact with the stigma.

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LINKED FROM (PARENTS)
← Cross-pollination ← Self-pollination
LINKS TO (CHILDREN)
Greek (language) → Self-pollination → Self-incompatibility in plants → Flowering plant → Pollen → Flower → Pollinator → Anemophily → Self-incompatibility in plants → Monoecious → Gymnosperm →