Close-up profile photo of the centre of a Rudbeckia fulgida var. sullivantii 'Goldsturm' flower. Around the top of the central disc can be seen a ring of disc florets topped with with yellow pollen grains. Below these are previously opened florets, some of which have the bilobed stigma protruding. At the base are the ray florets with the yellow flower petals.
White balance set and dust spots removed in ACR.