(Quercus carmenensis)
Quercus carmenensis, the Mexican oak, is a tree species native to Texas (Brewster County) and to Coahuila. It grows in pine-oak forests at elevations of 5000-6500 feet (1500-1950 m). It is a deciduous species with gray bark and red twigs. Leaves are lanceolate with irregular lobing along the margins.