Complex sentence: The uncultivated plant is a coarse, upright, bushy plant growing to 30 in (76 cm) in height, with solitary flowerheads 2 in (5 cm) across on long stems resembling daisies.
Split into simpler sentences: The uncultivated plant is a coarse, bushy, upright plant growing to 30 in (76 cm) in height. It has solitary flowerheads about 2 in (5 cm) across on long stems resembling daisies.