STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Clematis montana pollen grains, coloured scanning electron micrograph (SEM). C. montana is a climbing plant that is popular in gardens for its showy flowers. The spiky outer wall (exine) of the grains helps them to adhere to the bodies of pollinating insects.
Model release not required. Property release not required.