on Quercus bicolor? Maybe Q macrocarpa?

Quercus alba. Rock Creek Park, Washington, DC, USA

Quercus alba. Rock Creek Park, Washington, DC, USA.

Posing like it's in an Audubon print. Later sat up and ate the acorn.

If you look closely, there are fragments of the acorn/nut flying around

on Pin Oak

eating this for her tummy ache

These plants had very short stipitate glands on the calyces

Leaves appear to be revolute-margined rather than flat; found in dolomite prairie

Moving very slowly across the trail. Possibly broken vertebrae?

camera placed with permission from DCFPD

This is the first time I observed a pair together

never noticed them this far east, and w/ seed pods, ;-)

La Bagh Woods

Female flowers