A cultigen (from the Latin cultus – cultivated, and gens – kind) or cultivated plant is a plant that has been deliberately altered or selected by humans; it is the result of artificial selection. These anthropogenic plants, for the most part, have commercial value in horticulture, agriculture or forestry. Because cultigens are defined by their mode of origin and not by where they are growing, plants meeting this definition remain cultigens whether they are naturalised in the wild, deliberately planted in the wild, or growing in cultivation. Cultigens arise in the following ways: