Plants

The usable part of the plant is the rhizome.

Ginkgo trees were spread to other Chinese provinces and to Japan by Buddhist monks in the 11th century.

Napa cabbage is native to northern China and Japan.

Olive oil is a monounsaturated fat.

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.

There are about 250 species of cinnamon tree.

One kilogram of dried vanilla pods is obtained from 6 kilograms of green pods.

Broad beans were also a very popular vegetable in medieval Europe.

The name "vaynilla," meaning "little pod," was first used in 1658 by Willem Piso, a Dutch naturalist.

The above-ground part of the tree is the trunk, which at some height is surrounded by a crown of leafy branches.