![](http://blog.yimg.com/2/J5OfW517s59RBS2QEgmD2bMwWsNakdqXmGcMPGPJktD6fhLudTAEeA--/75/l/QgNOFr44NLdNoB2YE5IcWw.jpg)
黃荊Vitex negundo L.馬鞭草科牡荊屬
灌木,高可達5m,枝方形。掌狀複葉,小葉3-7;小葉長卵形、披針形或狹披針形,下表面密被灰白色短伏毛。頂生圓錐狀聚繖花序,密被毛。花萼外側被毛,鐘形;花冠二唇形,淡藍紫色,兩面被毛;雄蕊4,2強,花柱絲狀,柱頭2裂。核果倒卵形,為宿存萼所包,果熟黑色。
![](http://blog.yimg.com/2/J5OfW517s59RBS2QEgmD2bMwWsNakdqXmGcMPGPJktD6fhLudTAEeA--/76/l/.dgOhKmdH6f50askqU8mlA.jpg)
灌木,高可達5公尺
![](http://blog.yimg.com/2/J5OfW517s59RBS2QEgmD2bMwWsNakdqXmGcMPGPJktD6fhLudTAEeA--/73/l/4fExZ.Hm6UgzGIEh9RuP5A.jpg)
枝方形,被灰毛
![](http://blog.yimg.com/2/J5OfW517s59RBS2QEgmD2bMwWsNakdqXmGcMPGPJktD6fhLudTAEeA--/72/l/JD7tz9.P8xr67D.aq3jQxg.jpg)
掌狀複葉,小葉3-7
![](http://blog.yimg.com/2/J5OfW517s59RBS2QEgmD2bMwWsNakdqXmGcMPGPJktD6fhLudTAEeA--/71/l/NeWcVqIciqyGDD7xXs9u2Q.jpg)
葉背密被灰白色短伏毛
![](http://blog.yimg.com/2/J5OfW517s59RBS2QEgmD2bMwWsNakdqXmGcMPGPJktD6fhLudTAEeA--/70/l/k0tmzmrWfxZgDDxhLmAtNg.jpg)
頂生圓錐狀聚繖花序
![](http://blog.yimg.com/2/J5OfW517s59RBS2QEgmD2bMwWsNakdqXmGcMPGPJktD6fhLudTAEeA--/69/l/3dKRYguH6L6ViwHh2YlnZw.jpg)
花萼鐘形
![](http://blog.yimg.com/2/J5OfW517s59RBS2QEgmD2bMwWsNakdqXmGcMPGPJktD6fhLudTAEeA--/68/l/QHTlOO1.Ma.LYFrwwBaUAA.jpg)
![](http://blog.yimg.com/2/J5OfW517s59RBS2QEgmD2bMwWsNakdqXmGcMPGPJktD6fhLudTAEeA--/68/l/QHTlOO1.Ma.LYFrwwBaUAA.jpg)
花冠二唇形,淡藍紫色,柱頭2裂
![](http://blog.yimg.com/2/J5OfW517s59RBS2QEgmD2bMwWsNakdqXmGcMPGPJktD6fhLudTAEeA--/67/l/Nezb1ABW5KFdQ5oCJ9xO0Q.jpg)
![](http://blog.yimg.com/2/J5OfW517s59RBS2QEgmD2bMwWsNakdqXmGcMPGPJktD6fhLudTAEeA--/67/l/Nezb1ABW5KFdQ5oCJ9xO0Q.jpg)
雄蕊4,2強,基部被毛
![](http://blog.yimg.com/2/J5OfW517s59RBS2QEgmD2bMwWsNakdqXmGcMPGPJktD6fhLudTAEeA--/66/l/8Tlf0EsPl1Az3l0nmv_wrg.jpg)
![](http://blog.yimg.com/2/J5OfW517s59RBS2QEgmD2bMwWsNakdqXmGcMPGPJktD6fhLudTAEeA--/66/l/8Tlf0EsPl1Az3l0nmv_wrg.jpg)
核果為宿存萼所包,果熟黑色
分布於平野及低海拔山區,中南部相當普遍。花期夏季。
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