Overview

Comprehensive Description

Description

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.
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© Mark Hyde, Bart Wursten and Petra Ballings

Source: Flora of Zimbabwe

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
                                        
Specimen Records:61Public Records:23
Specimens with Sequences:25Public Species:4
Specimens with Barcodes:15Public BINs:0
Species:23         
Species With Barcodes:4         
          
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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Locations of barcode samples

Collection Sites: world map showing specimen collection locations for Arachis

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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Barcode data

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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Wikipedia

Arachis

This article is about the legume genus which includes peanuts. For the fictional planet, see Arrakis.

Arachis is a genus of about 70 species of annual and perennial flowering plants in the pea family (Fabaceae), native to South America, and was recently assigned to the informal monophyletic Pterocarpus clade of the Dalbergieae.[1][2] 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, nutmeg and turnip moths.[citation needed]

Species[edit]

Arachis comprises the following sections and species:[3][4]

Section Arachis[edit]

Section Caulorrhizae[edit]

Section Erectoides[edit]

Section Extranervosae[edit]

Section Heteranthae[edit]

Section Procumbentes[edit]

Section Rhizomatosae[edit]

Series Prorhizomatosae[edit]

Series Rhizomatosae[edit]

Section Trierectoides[edit]

Section Triseminatae[edit]


Hybrids[edit]

  • Arachis ×batizogaea Krapov. & A. Fernández
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