Solanum lycopersicum, commonly known as tomato, is a species of flowering plant in the nightshade family Solanaceae. It is native to western South America and Central America. The tomato is a herbaceous annual plant that grows up to 3 meters (10 feet) in height with a weak stem that often sprawls over the ground and vines over other plants. The leaves are 10–25 cm (4–10 inches) long, odd pinnate, with five to nine leaflets on petioles, each leaflet up to 8 cm (3 inches) long, with a serrated margin.