Betel

A species of pepper (Piper betle), the leaves of which are chewed, with the areca or betel nut and a little shell lime, by the inhabitants of the East Indies. It is a woody climber with ovate many-nerved leaves.

a leaf of a vine from the betel pepper

Asian pepper plant whose leaves are chewed with betel nut (seed of the betel palm) by southeast Asians