Plants

There are at least 68 species of nettles around the world.

The strong fiber extracted from the bark is used in many places to make ropes and fabrics. The trees also provide raw materials for hunting and fishing tools.

Since its dissemination, rice has become a staple throughout the world.

The plant may grow from 15 to 60cm (6 to 24in) depending on conditions.

In the intertropical area, this species is commonly grown in the ground as an ornamental plant.

Carob is also used as a high energy feed for livestock, especially ruminants.

Since the 19th century, the maple leaf is present on Canadian flags and coats of arms.

Stinging nettle leaves and stems contain flavonoids, organic acids including formic and acetic acids, beta-carotene, vitamins A, B, B5, C, K, mineral salts - especially iron, calcium, potassium, phosphorus and magnesium, chlorophyll, acetylcholine, tannins, beta-sitosterol, enzymes, silicon and calcium compounds, acids: linoleic, linolenic, stearic, palmitic and oleic, almost all known amino acids.

Lemons are used extensively. They are present in the daily diet, in the culinary arts, cosmetics and medicine.

However, the most popular are broad beans steamed or traditionally cooked in water.