The Vasey shin oak (Quercus pungens var. vaseyana) belongs to Fagaceae (the Beech family). It is a small evergreen tree that is distributed to Texas, Arizona, New Mexico, and northern and eastern Mexico. This tree grows in dry mountain slopes, chaparral and desert scrub, and can reach 1-4 m in height. The leaves are usually oblong, 3-5 toothed or lobed. The upper surface is dark green and lustrous, glabrous, and the lower suface is more pubescent with appressed stellate hairs. The inflorescence, which appears in spring, is reddish, the female catkins having one to three flowers and the male catkins numerous flowers. The acorn cups are shallow and covered with dense gray hairs. The acorns grow singly or in pairs and are light brown, broadly ovate with a rounded apex.