Quercus chapmani
Flower galls
A fusiform thickening of the staminate axis.
[Photo caption (no photo)]
Never reared. Q chapmani. A swollen staminate axis.
- LH Weld: (1959) Cynipid galls of the eastern United States©
Reference: https://www.biodiversitylibrary.org/item/273718#page/59/mode/1up