Name of a flower associated with a bird and a bad word?

there is an flower in the petunia family called the bas tard flower and there also a bird with that name

Name of a flower associated with a bird and a bad word?
If grass flowers count


"On top of old smokey


all covered with grass


I saw a bald eagle


scratching his ....


Don't get excited


It's just as I said


I saw a bald eagle


Scratching his Head."
Reply:the titticaca. i have no idea! thxs for the 2!