va·le·ri·an /vəˈlɪriən/
  頡草屬植物,自其根莖採制之鎮靜劑
  va·le·ri·an /vəˈlɪrɪən/ 名詞
  纈草,拔地麻,纈草屬
  Va·le·ri·an n.  Bot. Any plant of the genus Valeriana. The root of the officinal valerian (Valeriana officinalis) has a strong smell, and is much used in medicine as an antispasmodic.
  Greek valerian Bot., a plant (Polemonium caeruleum) with blue or white flowers, and leaves resembling those of the officinal valerian.
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  valerian
       n : a plant of the genus Valeriana having lobed or dissected
           leaves and cymose white or ink flowers