be·go·nia /bɪˈgonjə/
  秋海棠屬的植物,秋海棠
  Be·go·ni·a n.  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.
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  begonia
       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