Coreopsis

I cant belived :) Jethro Tull,wow Emma,they are one of my iconic bands from another times :)Ian Anderson,mad flute player :)
lovely name,great i would'nt imagine such a bizarre name in a flower,do you know jethro tull?

Keith, I am impressed that you could ID this!
Plants are the strangest people!
"Why Jethro Tull anyway?"
Because the petals are fluted. (Lead singer Ian Anderson of Jethro Tull is known for playing the flute. Not a usual instrument for a rock musician.)

beautiful and bizarre Emma :)

Looks like Coreopsis.