ver·vain /ˈvɝˌven/
  馬鞭草屬的植物
  ver·vain /ˈvɝˌven/ 名詞
  Ver·vain n.  Bot. Any plant of the genus Verbena.
  Vervain mallow Bot., a species of mallow (Malva Alcea) with rose-colored flowers.
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  vervain
       n : any of numerous tropical or subtropical American plants of
           the genus Verbena grown for their showy spikes of
           variously colored flowers [syn: verbena]