どくぜりもどき (毒芹擬き) [Index] [Back] 地中海沿岸からアラビア半島、イランが原産で、わが国をはじめ南北アメリカやオーストラリアにも帰化しています。日当たりの良い草地や道ばたに生え、高さは２メートルほどになります。茎は上部でよく分枝します。葉は３〜５出複葉で互生し、小葉は広線形から長卵形で、細かい鋸歯があります。６月から７月ごろ、茎頂に複散形花序をだし、直径２ミリほどの白色の５弁花をいっぱい咲かせます。果実は楕円形の分果です。この果実が生薬の「アンミ実」で、鎮痙作用や利尿作用があり、喘息や気管支炎、腎結石に用いられます。  セリ科ドクゼリモドキ属の一年草で、学名は Ammi majus。英名は Bullwort、Bishop's flower、Laceflower。  The Bullwort (Ammi majus) belongs to Apiaceae (the Carrot family). It is an annual herb that is native to the Mediterranean coast, the Arabian Peninsula and Iran, and has naturalized in Japan, North and South America and Australia. It grows in sunny grasslands and along roadsides, and can reach a height of around 2 m. The stem branches well at the top. The leaves are alternate, with 3 to 5 leaflets, and the leaflets are broadly linear to long ovate in shape, with fine serrations. From June to July, a compound umbel is produced at the top of the stem, and it is full of white five-petaled flowers around 2 mm in diameter. The fruit is an elliptic mericarp. This fruit is used in Chinese medicine as "Ammi fruit", and has antispasmodic and diuretic effects, and is used to treat asthma, bronchitis and kidney stones.  イギリス・ランカシャー州プレストンにて、2019年08月02日撮影。(photo by Yumi Gunji)  Shu Suehiro shu@botanic.jp