桉属(学名:Eucalyptus)通称桉树、尤加利树,是桃金娘目桃金娘科个一属。
一般为常绿乔木;枝、叶花有芳香;叶子通常互生,有柄,全缘羽状脉,多为镰刀形;早春开白色、红色或黄色花,多为伞形或头状花序,萼片搭花瓣连合成帽状体(花盖),开花时脱落;蒴果成熟时顶端3-5裂;种子多数有角棱。
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