Description of the genus
Annual (ours) or perennial herbs. Leaves paripinnate, 4-foliolate. Stipules persistent, apiculate, partly adnate to the petiole. Inflorescences axillary dense sessile 2-7-flowered spikes. Bracts 2-apiculate. Flowers yellow with red markings. Calyx 5-lobed; the 4 upper joined. Pod 1-6-seeded, maturing underground, constricted between the seeds, but not jointed, indehiscent; the walls thick and reticulate.
Worldwide: c.20 species in S America
Other sources of information about Arachis:Flora of Zimbabwe
: cultivated Arachis pageFlora of Mozambique
(electronic Plant Information Center): ArachisFlora Zambesiaca
web site: ArachisGoogle
(Germplasm Resources Information Network) taxonomy for plants report for ArachisIPNI
(International Plant Names Index): ArachisKew Herbarium catalogue
Copyright: Mark Hyde, Bart Wursten and Petra Ballings, 2002-13
Hyde, M.A., Wursten, B.T. & Ballings, P.
. Flora of Zimbabwe: Genus page: Arachis.
http://www.zimbabweflora.co.zw/speciesdata/genus.php?genus_id=742, retrieved 19 May 2013