Quercus potosina is a species of oak. It is native to northern Mexico, from Chihuahua, Durango, and Jalisco east as far as San Luis Potosí. It is placed in Quercus section Quercus.
Description Quercus potosina is a shrub or small tree up to tall, and is drought-deciduous. The leaves are round or egg-shaped, up to long, with numerous small pointed teeth along the edges.McVaugh, R. 1974. Flora Novo-Galiciana: Fagaceae. Contributions from the University of Michigan Herbarium 12:63-64 in English, with line drawing on page 64
References
External links photo of herbarium specimen at Missouri Botanical Garden, collected in San Luis Potosí in 1878