野慈菇 (Oldworld Arrow-head)，學名agittaria trifolia Linn，澤瀉科慈姑屬，‧別名野慈姑，慈姑，野茨菰、水慈姑、燕尾草、水芋、水芋頭、剪刀草、三腳剪、鉸剪仔草、野慈菰、剪刀草、菇燕尾。[1]