(n)any of numerous plants of the genus Begonia grown for their attractive glossy asymmetrical leaves and colorful flowers in usually terminal cymes or racemes
n. [ From Michel Begon, a promoter of botany. ] (Bot.) A genus of plants, mostly of tropical America, many species of which are grown as ornamental plants. The leaves are curiously one-sided, and often exhibit brilliant colors. [ 1913 Webster ]
n. a natural family of monoecious succulent herbs or shrubs of tropical and warm regions especially America. Syn. -- family Begoniaceae, begonia family. [ WordNet 1.5 ]