The rhubarb

This plant in the family of Polygonaceae originates from Asia. Its name means “the root of Barbarians”. In many places it is grown as a vegetable, too.

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English oak

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The quince

A plant originating from the Caucasus region, grown for its aromatic fruit.

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The sessile oak

After you have seen this video, you will be able to tell the English oak from the sessile oak.

Life cycle of mosses and ferns

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Edible nightshades

Many of the most important food crops we consume belong to the family of nightshades.

The Genus salix

The structure, use and medicinal properties of trees living by water.

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