large almost cosmopolitan genus of evergreen or deciduous shrubs and herbs with often showy yellow flowers; cosmopolitan except tropical lowlands and Arctic or high altitudes and desert regions
例句
用作名词(n.)
Any of numerous plants of the genus Hypericum having yellow flowers and transparently dotted leaves,traditionally gathered on St John's eve to ward off evil.金丝桃属的任何一种植物,花黄色,叶有明显的斑点,传统上在施洗约翰节前夕采集,用以避邪。