Spinach, Spinacia oleracea, is a leafy herbaceous annual plant in the family Amaranthaceae grown for its leaves which are used as a vegetable. The spinach plant has simple leaves which stem from the center of the plant and measure about 2–30 cm (0.8–12.0 in) long and 1 to 15 cm (0.4–6.0 in) across. The leaves grow in a rosette and can appear crinkled or flat. The plant produces small yellow-green flowers which are 3–4 mm (0.1 in) in diameter. The flowers produce small fruit clusters which contain seeds. Spinach is an annual and survives only one growing season and can reach 30 cm (12 in) in height. Spinach originates from ancient Persia (now Iran).
Spinach is a green,
leafy vegetable that is high in nutrients and low in calories.