The betel nut tree grows to a height of 10m, with taller ones growing up to 30 m. Its leaves are smooth, glabrous on both the front and back, and can reach 30-60 cm in length.The petals of the flowers are oblong or suborbicular, and the fruits are oblong and ovoid in length, 3-5 cm.

The betel nut tree is mainly distributed in Central Africa and Southeast Asia, such as India, Pakistan, Sri Lanka, Malay Peninsula, New Guinea, Indonesia, the Philippines, Myanmar, Thailand, Vietnam, Cambodia and other countries. China's introduction of cultivation has a history of 1500 years, Hainan, Taiwan provinces cultivated more, Guangxi, Guangdong, Yunnan, Fujian and other provinces (regions) are also cultivated.