groundnut, common name for several different genera of twining herbaceous, leguminous plants with geocarpie (underground fruits), chiefly the peanut. Groundnuts are classified in the division Magnoliophyta, class Magnoliopsida, order Rosales, family Leguminosae.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
See more Encyclopedia articles on: Plants