Quercus porphyrogenita

Quercus porphyrogenita is a species of oak in the family Fagaceae, native to northeastern Mexico.

Taxonomy
Quercus porphyrogenita was first described by William Trelease in 1924. It may be treated as a synonym of Quercus laceyi, but, is accepted by Plants of the World Online. Under the synonym Q. laceyi, it is placed in Quercus section Quercus.

Distribution
Quercus porphyrogenita is native to northeastern Mexico – the states of Nuevo León and Tamaulipas.