Peanut

The peanut or groundnut (Arachis hypogaea) is a species in the pea family Fabaceae native to South America. It is an annual herbaceous plant growing to 30 to 50 cm (one to one and a half feet) tall. The leaves are alternate, pinnate with four leaflets (two opposite pairs; no terminal leaflet), each leaflet 1 to 7 cm (1/3 to 2.75 inches) long and 1 to 3 cm (1/3 to 1 inch) broad. The flowers are a typical peaflower in shape, 2 to 4 cm (3/4 to one and a half inches) across, yellow with reddish veining. After pollination, the fruit develops into a legume 3 to 7 cm (1 to 2 inches) long containing 2 to 3 (rarely 1 or 4) seeds, which forces its way underground to mature. Although a nut in the culinary sense, in the botanical sense the fruit of the peanut is a woody, indehiscent legume or pod.

Related Topics:
Fabaceae - South America - Annual - Herbaceous - Leaves - Flower - Pollination - Fruit - Legume - Seed - Nut - Botanical

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Peanuts are also known as Groundnuts (because they grow underground), Earthnuts, Goobers, Goober peas, Pindas, Pinders, Manila nuts and Monkey nuts (the last of these is often used to mean the entire pod, not just the seeds).

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