Jackfruit is a tropical fruit. Jackfruit in syrup is good in desert or can be consumed as such. Ready to served, simply just add ice crushed into the syrup. Product of Thailand. What is Jackfruit? The jackfruit (Artocarpus heterophyllus) is a species of tree in the Artocarpus genus of the mulberry family (Moraceae). It is native to parts of Southern and Southeast Asia. The jackfruit tree is believed to be indigenous to the southwestern rain forests of India. It is widely cultivated in tropical regions of the Indian subcontinent, Sri Lanka, Vietnam, Thailand, Malaysia, Indonesia.