Ombrochory

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As Ombrochorie is called the spread of plant seeds by raindrops . It is a sub-form of the spreading mechanisms of plants .

The ombrochory is used by marsh plants as well as by plants that thrive in dry locations or are even native to the desert . The ombrochory is more finely divided into so-called rain slugs and rain ballists.

The marsh marigold is one of the rain floods.

• Regenschwemmlinge (Ombrohydrochorie) are plants whose capsule or follicles only be opened when moisture water absorb and swell the fruit walls thereby. The ripened seeds are then washed out of the fruit containers by the falling rain. Typical rainworms are the marsh marigold and the winterling . The stonecrop , which is found in rather dry locations, also spreads its seeds via this mechanism.

• Regenballisten (Ballombrochorie) (hydro ballochorie against) use the energy of the falling raindrops to the spread of the seed. They include sage , brown elk and basil .

Ombrochory is, together with bythisochory (the spread through the flow of rivers) and nautochory (swimming spread), a sub-form of hydrochory - the spread of plant seeds through water.

A special, rare type of chasmogamous self-pollination is rain pollination , ombrophilia (ombrogamy), a flower wetted by rain. When it rains, the flower bowls fill with water and the pollen is transferred from the anthers to the stigma. This is not the same as raindrop spreading seeds. Also different is the hydro kleistogamy where the flower remains closed.

Individual evidence

1. ↑ Series of publications for vegetation science. Volumes 36–39, Federal Institute for Vegetation Science, Nature Conservation and Landscape Management , 2002, p. 152.