Quercus cualensis is a rare species of oak. It has been found only in a small region in the State of Jalisco in western Mexico, in the Sierra el Cuale mountains south of Puerto Vallarta.González Villarreal, Luz María. 2003. Brittonia 55(1): 49-60 includes line drawings and distribution map
Description Quercus cualensis is an evergreen tree up to tall, with a trunk as much as in diameter. The leaves are thin, flat, and hairless, narrowly lance-shaped, up to 15 cm long.
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