The jackfruit (Artocarpus heterophyllus), also known as jack tree, is a species of tree in the fig, mulberry, and breadfruit family (Moraceae). Its original distribution range is unknown but most authors place its center of origin to be within the region between the Western Ghats of southern India to the rainforests of Borneo.
The jackfruit tree is well-suited to tropical lowlands, and its fruit is the largest tree-borne fruit, reaching as much as 55 kg (120 lb) in weight, 90 cm (35 in) in length, and 50 cm (20 in) in diameter. A mature jackfruit tree can produce about 100 to 200 fruits in a year. The jackfruit is a multiple fruit, composed of hundreds to thousands of individual flowers, and the fleshy petals are eaten.
Jackfruit is commonly used in South and Southeast Asian cuisines. The ripe and unripe fruit and seeds are consumed. The jackfruit tree is a widely cultivated throughout tropical regions of the world. It is the national fruit of Bangladesh and Sri Lanka, and the state fruit of the Indian states of Kerala and Tamil Nadu.