A plant is a natural remedy used for its particularly beneficial properties for people.Plants use the energy of solar radiation, the carbon dioxide (aka "carbon dioxide") present in the atmosphere, water and the inorganic elements of the soil that they absorb through the roots (water, inorganic elements) andby the leaves (carbon dioxide).We then use the plant or a simple preparation from the plant (powder, dye, extract, etc.).These herbal remedies are designed to be used orally, externally, or by inhalation