Quercus frutex

Quercus frutex is a species of plant in the family Fagaceae. It is endemic to central Mexico, found in México State, D.F., Tlaxcala, Hidalgo, Jalisco, Puebla, and Oaxaca.
"Quercus frutex" is a shrub up to 250 cm tall (very rarely attaining tree stature at 7 meters in height), spreading by means of underground rhizomes and thus forming sizable clonal colonies. Bark is dark gray. Leaves are oblong, with no teeth or with a few shallow teeth.