"Fava is a plant long associated with the Underworld, spirits of the dead, and chthonic forces in general." _Raven Grimassi in Encyclopedia of Wicca and Witchcraft.
Fava beans are used in magical workings in the practice of Strega or hereditary Italian witchcraft. They are a fertility symbol and it is said that tiny likenesses of both male and female human genitalia can be seen by viewing the fava bean side-on.
Vicia faba, the broad bean, fava bean, faba bean, horse bean, field bean, tic bean is a species of bean (Fabaceae) native to north Africa and southwest Asia, and extensively cultivated elsewhere. Although usually classified in the same genus Vicia as the vetches, some botanists treat it in a separate monotypic genus as Faba sativa Moench. _Wikipedia