The Betel Nut Or Areca Nuts is the fruits of the Areca Palms tree ,which grows in the much of the tropical Pacific ( Melanesia and Micronesia )South Asia,Southeast Asia and part of east Africa. It is nothing but the seeds of Areca Palm fruits.Areca nut a tropical crop and is popularly known as Betel nut It has commercial and economic importance not only in India but in China and south Asia.