''Arachis monticola'' is a close relative of the domesticated

peanut The peanut (''Arachis hypogaea''), also known as the groundnut, goober (US), pindar (US) or monkey nut (UK), is a legume crop grown mainly for its edible seeds. It is widely grown in the tropics and subtropics, important to both small and ...

(''Arachis hypogaea''). Besides the peanut, it is the only other

tetraploid Polyploidy is a condition in which the cells of an organism have more than one pair of ( homologous) chromosomes. Most species whose cells have nuclei (eukaryotes) are diploid, meaning they have two sets of chromosomes, where each set contains ...

species in the genus ''

Arachis ''Arachis'' is a genus of about 70 species of annual and perennial flowering plants in the family (Fabaceae), native to South America, and was recently assigned to the informal monophyletic ''Pterocarpus'' clade of the Dalbergieae. At least one ...

''. It is thought to be the immediate wild ancestor of peanut, although it may be a weedy form, descended from cultivated peanuts.

References

monticola {{Dalbergieae-stub