One name for betel leaves is "Tambul". This betel tree, a member of the Piperaceae family, grows in tropical regions. This vine-like plant grows by sheltering other carriers like weeds. The botanical name of the betel tree is Piper betel, Linn. The binomial name of betel leaves is Piper betel. https://www.iteachhealth.com/en/side-effects-and-benefits-of-betel-leaf/