new bergenin derivative, 11- O-(3′- O-methylgalloyl)-bergenin, was isolated from the whole plants of Corylopsis willmottiae Rehd. et Wils, along with 11- O-galloylbergenin, 11- O-syringylbergenin, bergenin, 4- O-galloylbergenin, and 4,11-di- O-galloylbergenin. They were identified on the basis of spectral evidence.