a separate article about Peanuts, the comic strip by Charles M. Schulz. Peanut Peanut leaves and freshly dug pods Scientific classification Kingdom: Plantae Division: Magnoliophyta Class: Magnoliopsida Order: Fabales Family: Fabaceae Subfamily: Faboideae Tribe: Aeschynomeneae Genus: Arachis Species: A. hypogaea Binomial name Arachis hypogaea L. The Peanut (Arachis hypogaea) is a species in the pea family Fabaceae native to South America. It is an annual herbaceous plant growing to 30-50 cm tall