Peanut flower, Arachis hypogaea

The peanut, or groundnut, is a species in the legume or "bean" family. The peanut was probably first cultivated in the valleys of Peru. It is an annual herbaceous plant growing 30 to 50 cm tall. The leaves are opposite, pinnate with four leaflets, each leaflet 1 to 7 cm long and 1 to 3 cm broad.