Chamomile flower. Coloured scanning electron micrograph (SEM) of a floret from a chamomile flower (Chamaemelum nobile, or Anthemis nobilis). The chamomile has compound flowers, with the apparent flower being made up of numerous florets, each a true flower in its own right. The female part of this flower, the carpel, is orange. This receives the pollen from the male stamens. Once pollen lands on the carpel, it burrows down through it to the ovary (not seen). It then fertilises the female sex cell to form a seed. Chamomile is used in herbal medicine as a sedative. Magnification: x80 when printed 10cm high.