Plants

For many centuries, fragrant citron oil has been used to make perfumes.

The oil extracted from lemon balm has many uses.

Sunflowers require large amounts of sunlight to grow properly.

Cerbera is often planted as an ornamental, screening or shade tree.

Studies show that it has anti-plaque properties.

The appearance of the fruit made New Zealand growers associate it with the kiwi bird - a symbol of the country.

The resin is used in medicine by the inhabitants of Socotra Island.

It can survive long periods of drought (xerophyte). It is an adaptation to Mediterranean conditions (250 to 500 mm of annual rainfall). However, it needs 500 to 550 mm of annual rainfall to bear fruit. 

It is widespread in central and eastern Europe.

Avocado seed contains twice as many antioxidants as the flesh and is a viable source of soluble fiber, which is an ally of those who try to keep a slim figure.