ETYM From Michel Begon, a promoter of botany.
Any plant of the genus Begonia of the tropical and subtropical family Begoniaceae. Begonias have fleshy and succulent leaves, and some have large, brilliant flowers. There are numerous species native to the tropics, in particular South America and India.
Any of numerous plants of the genus Begonia grown for their attractive glossy asymmetrical leaves and colorful flowers in usually terminal cymes or racemes.