アメリカオニアザミ【亜米利加鬼薊】
キク科アザミ属 多年草
![f:id:encyclopediaofweeds:20180213235302j:plain f:id:encyclopediaofweeds:20180213235302j:plain](https://cdn-ak.f.st-hatena.com/images/fotolife/e/encyclopediaofweeds/20180213/20180213235302.jpg)
2017/06/25 近所
![f:id:hase2:20200527014637j:plain f:id:hase2:20200527014637j:plain](https://cdn-ak.f.st-hatena.com/images/fotolife/h/hase2/20200527/20200527014637.jpg)
![f:id:hase2:20200527014650j:plain f:id:hase2:20200527014650j:plain](https://cdn-ak.f.st-hatena.com/images/fotolife/h/hase2/20200527/20200527014650.jpg)
2018/04/25 永田町
●綿毛
![f:id:hase2:20200808183408j:plain f:id:hase2:20200808183408j:plain](https://cdn-ak.f.st-hatena.com/images/fotolife/h/hase2/20200808/20200808183408.jpg)
2020/08/07 荒川河川敷
![f:id:hase2:20200523045613j:plain f:id:hase2:20200523045613j:plain](https://cdn-ak.f.st-hatena.com/images/fotolife/h/hase2/20200523/20200523045613.jpg)
2018/06/27 赤羽
全身トゲだらけで触ると痛いが、大きな綿毛をつけるのでとても楽しい。トゲが危険なので大きく育つ前に駆除されがち。
●つぼみ
![](https://cdn-ak.f.st-hatena.com/images/fotolife/e/encyclopediaofweeds/20220804/20220804143155.jpg)
![](https://cdn-ak.f.st-hatena.com/images/fotolife/e/encyclopediaofweeds/20220804/20220804143201.jpg)
2022/05/05 近所
●草姿
![](https://cdn-ak.f.st-hatena.com/images/fotolife/e/encyclopediaofweeds/20221211/20221211224730.jpg)
![](https://cdn-ak.f.st-hatena.com/images/fotolife/e/encyclopediaofweeds/20221211/20221211224743.jpg)
2022/03/27 土呂
![f:id:hase2:20200523054415j:plain f:id:hase2:20200523054415j:plain](https://cdn-ak.f.st-hatena.com/images/fotolife/h/hase2/20200523/20200523054415.jpg)
2018/06/27 赤羽
●ロゼット
![f:id:encyclopediaofweeds:20220327035916j:plain](https://cdn-ak.f.st-hatena.com/images/fotolife/e/encyclopediaofweeds/20220327/20220327035916.jpg)
2022/03/26 木場公園 帰化植物見本園
![f:id:hase2:20210222005022j:plain](https://cdn-ak.f.st-hatena.com/images/fotolife/h/hase2/20210222/20210222005022.jpg)
2021/02/17 等々力渓谷
【花期】7~10月
【原産地】ヨーロッパ ※総合対策外来種(生態系被害防止外来種リスト)
【仲間】ノアザミ
タイアザミ
ハマアザミ
キツネアザミ