Knopper galls develop as a chemically induced distortion of growing acorns on pedunculate oak trees, and the gall produced didn't greatly affect the fecundity of the oak host, as much as it could if it develops on roots or stems.
Knopper galls develop as a chemically induced distortion of growing acorns on pedunculate oak trees, and the gall produced didn't greatly affect the fecundity of the oak host, as much as it could if it develops on roots or stems.