Sure, betel nut, or supari, comes from the Areca catechu palm tree. The scientific name, Areca catechu, might sound a bit fancy, but it's the plant responsible for producing betel nuts. These nuts are commonly chewed in many Asian and Pacific cultures, often wrapped in betel leaves along with slaked lime and other condiments. The betel nut palm is an evergreen tree that thrives in tropical climates. It produces clusters of betel nuts, which are seeds enclosed in a hard, woody shell. The nuts have stimulating properties and are a central element in cultural and social practices in various regions.