What is commonly called betel nut is actually the fleshy fruit of the areca palm (betel palm), a tropical plant found in the Pacific and Southeast Asia.
ಅಡಿಕೆ ಎನ್ನುವುದು ಉಷ್ಣವಲಯದ ಒಂದು ಜಾತಿಯ ತಾಳೆ ಮರದ ಹಣ್ಣು.