Fio Fio (Pigeon peas) – Cajanus cajan | 14 Interesting Medicinal Uses April 13, 2022August 20, 2021 by Bryan Pigeon peas popularly known as Fio fio in Nigeria are a leguminous plant grown for its edible seeds. Achicha a food popular in the South-Eastern part of Nigeria is one of the common ways Pigeon pea is used as food.Read more