Arachis
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Arachis
Arachis hypogaea leaves and freshly dug pods
Scientific classification
Kingdom: Plantae Division: Magnoliophyta Class: Magnoliopsida Order: Fabales Family: Fabaceae Subfamily: Faboideae Tribe: Aeschynomeneae Genus: Arachis L.

Arachis is a genus of about 70 species of annual and perennial flowering plants in the pea family (Fabaceae), native to South America. At least one species, the Peanut (Arachis hypogaea), is a major food crop species of global importance; some of the other species are cultivated for food to a small extent in South America. Other species such as A. pintoi are cultivated worldwide as forage and soil conditioner plants, with the leaves providing high protein feed for grazing livestock and a nitrogen source in agroforestry and permaculture systems.

Arachis species, including the peanut, are used as food plants by some Lepidoptera species including Flame Shoulder, The Nutmeg and Turnip Moth.

Species

• A.
• A. africana Burm.f.
• A. appressipila Krapov. & W. C. Greg.
• A. archeri Krapov. & W. C. Greg.
• A. batizocoi Krapov. & W. C. Greg.
• A. benensis
• A. benthamii Handro
• A. brevipetiolata Krapov. & W. C. Greg.
• A. burchellii Krapov. & W. C. Greg.
• A. burkartii Handro
• A. cardenasii Krapov. & W. C. Greg.
• A. chiquitana Krapov. & W. C. Greg.
• A. correntina (Burkart) Krapov. & W. C. Greg.
• A. cruziana
• A. cryptopotamica Krapov. & W. C. Greg.
• A. dardani Krapov. & W. C. Greg.
• A. decora
• A. diogoi Hoehne
• A. douradiana Krapov. & W. C. Greg.
• A. duranensis Krapov. & W. C. Greg.
• A. giacomettii
• A. glabrata
• A. glandulifera Stalker
• A. gracilis Krapov. & W. C. Greg.
• A. gregoryi
• A. guaranitica Chodat & Hassl.
• A. hatschbachii Krapov. & W. C. Greg.
• A. helodes Mart. ex Krapov. & Rigoni
• A. hermannii Krapov. & W. C. Greg.
• A. herzogii
• A. hoehnei Krapov. & W. C. Greg.
• A. hypogaea (Peanut)
• A. interrupta Valls & C. E. Simpson
• A. ipaënsis
• A. kempff-mercadoi
• A. kretschmeri Krapov. & W. C. Greg.
• A. kuhlmannii Krapov. & W. C. Greg.
• A. lignosa (Chodat & Hassl.) Krapov. & W. C. Greg.
• A. linearifolia
• A. lutescens Krapov. & Rigoni
• A. macedoi Krapov. & W. C. Greg.
• A. magna
• A. major Krapov. & W. C. Greg.
• A. marginata
• A. martii Handro
• A. matiensis
• A. microsperma
• A. monticola Krapov. & Rigoni
• A. namyquarae Hoehne
• A. oteroi Krapov. & W. C. Greg.
• A. palustris
• A. paraguariensis Chodat & Hassl.
• A. pflugeae
• A. pietrarellii Krapov. & W. C. Greg.
• A. pintoi Krapov. & W. C. Greg.
• A. praecox
• A. prostrata (Grassnut)
• A. pseudovillosa (Chodat & Hassl.) Krapov. & W. C. Greg.
• A. pusilla Benth.
• A. repens Handro
• A. retusa Krapov. & W. C. Greg.
• A. rigonii Krapov. & W. C. Greg.
• A. schininii
• A. seridoënsis
• A. setinervosa Krapov. & W. C. Greg.
• A. simpsonii Krapov. & W. C. Greg.
• A. stenophylla Krapov. & W. C. Greg.
• A. stenosperma Krapov. & W. C. Greg.
• A. subcoriacea Krapov. & W. C. Greg.
• A. sylvestris (A. Chev.) A. Chev.
• A. trinitensis Krapov. & W. C. Greg.
• A. triseminata Krapov. & W. C. Greg.
• A. tuberosa Benth.
• A. valida Krapov. & W. C. Greg.
• A. vallsii Krapov. & W. C. Greg.
• A. villosa Benth.
• A. villosulicarpa Hoehne
• A. williamsii Krapov. & W. C. Greg.

External links

• LegumeWeb: Arachis taxa
• Plant Genetic Resources Newsletter: Morphological characterization of Arachis species of section Arachis
• Gimenes, Marcos A.; Catalina R. Lopes and Jose F. M. Valls (2002). "Genetic relationships among Arachis species based on AFLP". Genetics and Molecular Biology 25 (3). doi:10.1590/S1415-47572002000300017. Retrieved on 2008-06-20. 

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