A native to the plains of central Texas, southern Oklahoma and  far eastern New Mexico.  Escarpment oak is a thicket forming tree that is nearly identical in appearance to, and considered much hardier than, Q. virginiana.  Leaves are simple, evergreen, elliptic-obovate, 1 1/4" to 3" long, 3/8" to 1" wide.  Lustrous dark green above, glabrous, gray-green beneath.  Picturesque, widespreading, with magnificent, horizantal and arching branches that form a broad-rounded canopy.  Bark is rough and dark brown with scaly ridges.  Acorns are 1/2" to 1" long, egg-shaped, enclosed by 1/3 to 1/2 inch goblet-shaped cap. Moderate growth rate that slows down with age.