Complex sentence: The flower head is up to 2 centimeters wide, surrounded by glabrous to hairy phyllaries, and contains yellow ray florets (the outer ones often have a purple strip on the lower surface) but no disc florets.
Split into simpler sentences: The flower head is up to 2 centimeters wide and surrounded by glabrous to hairy phyllaries. It contains yellow ray florets (outer ones often have a purple strip on the lower surface) and no disc florets.