Plants

There are many cultivated varieties (cultivars) of citron.

The oldest traces of the use of cocoa seeds as food were found in Ecuador, in the upper reaches of the Amazon tributaries, at an archaeological site dating back to 5450-5300 years BP (before the present, which is assumed to be 1950).

The usable part of the plant is the rhizome.

Young beetroot leaves contain more protein and mineral salts than the roots.

Forget-me-nots are worn on Remembrance Day (November 11th) in Newfoundland and Labrador, Canada, in remembrance of the victims of World War I.

Broad beans, like other legumes, have many nutritional values.

Broad beans may cause allergic reactions in people suffering from favism, i.e. the so-called bean disease.

Avocado contains many valuable substances beneficial to the human body.

Only three species of sunflowers come from South America, the rest from Central America and North America.

Carrot root can be eaten raw or cooked, i.e. boiled, fried or stewed. It is also a common ingredient of juices and purée.